Chemical vs. Physical Changes

www.generationgenius.com/?share=3F662

Quiz

https://docs.google.com/forms/d/e/1FAIpQLSccE26lGrqNADX7sT6iBIAoo6bPc6-0IdxHwDSctfIVT2f8ng/viewform?usp=sf_link

Variation of Traits

www.generationgenius.com/?share=8E14B

Quiz

https://docs.google.com/forms/d/e/1FAIpQLSejYSzK2VrU5Tk_R8iCg-FSuaXhcCyN094XhnFnJnJUtLggew/viewform?usp=sf_link

Balanced & Unbalanced Forces

www.generationgenius.com/?share=25647

Weathering & Erosion

www.generationgenius.com/?share=83D8A

Structure of Living Things

www.generationgenius.com/?share=793CC

Water Cycle

www.generationgenius.com/?share=A4B89

Properties of Matter

www.generationgenius.com/?share=D146F

Earth's Orbit & Rotation

www.generationgenius.com/?share=B1EF2

Fossils & Extinction

www.generationgenius.com/?share=7DDC7

Energy Transfer

www.generationgenius.com/?share=B124B

Sun and Other Stars

www.generationgenius.com/?share=2D6C1

Brain Processing of Senses

www.generationgenius.com/?share=7EFC9

Adaptations and the Environment

www.generationgenius.com/?share=9596D

Collisions

www.generationgenius.com/?share=E2751

Magnets & Static Electricity

www.generationgenius.com/?share=8DEF6

Food Webs

www.generationgenius.com/?share=DC0D1

Conservation of Matter

www.generationgenius.com/?share=15D32

Ecosystems

www.generationgenius.com/?share=47DC7

Patterns of Motion & Friction

www.generationgenius.com/?share=242C1

Renewable vs. Nonrenewable Resources

www.generationgenius.com/?share=63F87

Human Body Systems

www.generationgenius.com/?share=027D5

Animal & Plant Life Cycles

www.generationgenius.com/?share=B1368

Natural Disasters

www.generationgenius.com/?share=7F994

Extreme Weather Solutions

www.generationgenius.com/?share=AA3CB

How Do We Use Food?

www.generationgenius.com/?share=E6E96

Wave Properties

www.generationgenius.com/?share=93E53

Moon & Its Phases

www.generationgenius.com/?share=10FA8

Interactions of Earth's Spheres

www.generationgenius.com/?share=EDFAA

What is Science?

www.generationgenius.com/?share=843A7

Light Reflection & Vision

www.generationgenius.com/?share=3646C

Particle Nature of Matter

www.generationgenius.com/?share=1F0D7

Weather vs. Climate

www.generationgenius.com/?share=BEE69

Animal Group Behavior

www.generationgenius.com/?share=7D58A

Information Transfer

www.generationgenius.com/?share=3684B

Earth's Landscapes

www.generationgenius.com/?share=52337

Water Quality & Distribution

www.generationgenius.com/?share=26C13

3rd Grade

Habitats, Fossils, & Environments Over Time

https://mysteryscience.com/animals/mystery-1/habitats-fossils-environments-over-time/379?code=NjI0NjIy&t=student

Fossil Evidence & Classification

https://mysteryscience.com/animals/mystery-2/fossil-evidence-classification/32?code=NjI0NjIy&t=student

Fossil Evidence, Trace Fossils, & Animal Behavior

https://mysteryscience.com/animals/mystery-3/fossil-evidence-trace-fossils-animal-behavior/417?code=NjI0NjIy&t=student

Trait Variation, Inheritance, & Artifical Selection

https://mysteryscience.com/animals/mystery-4/trait-variation-inheritance-artificial-selection/30?code=NjI0NjIy&t=student

Trait Variation, Natural Selection, & Survival

https://mysteryscience.com/animals/mystery-5/trait-variation-natural-selection-survival/120?code=NjI0NjIy&t=student

Animal Groups & Survival

https://mysteryscience.com/animals/mystery-6/animal-groups-survival/265?code=NjI0NjIy&t=student

Environmental Change & Engineering

https://mysteryscience.com/animals/mystery-7/environmental-change-engineering/266?code=NjI0NjIy&t=student

Traits & Environmental Variation

https://mysteryscience.com/animals/mystery-8/traits-environmental-variation/267?code=NjI0NjIy&t=student

Pollination & Plant Reproduction

https://mysteryscience.com/flowers/mystery-1/pollination-plant-reproduction/91?code=NjI0NjIy&t=student

Seed Dispersal & Plant Life Cycle

https://mysteryscience.com/flowers/mystery-2/seed-dispersal-plant-life-cycle/89?code=NjI0NjIy&t=student

Trait Variation, Inheritance, & Artificial Selection (apples)

https://mysteryscience.com/flowers/mystery-3/trait-variation-inheritance-artificial-selection/90?code=NjI0NjIy&t=student

Trait Variation, Inheritance, & Artificial Selection (fruit)

https://mysteryscience.com/flowers/mystery-4/trait-variation-inheritance-artificial-selection/92?code=NjI0NjIy&t=student

Water Cycle & Phases of Matter

https://mysteryscience.com/weather/mystery-1/water-cycle-phases-of-matter/46?code=NjI0NjIy&t=student

Local Weather Patterns & Weather Prediction

https://mysteryscience.com/weather/mystery-2/local-weather-patterns-weather-prediction/47?code=NjI0NjIy&t=student

Climate, Geography, & Global Weather Patterns

https://mysteryscience.com/weather/mystery-3/climate-geography-global-weather-patterns/98?code=NjI0NjIy&t=student

Natural Hazards & Engineering

https://mysteryscience.com/weather/mystery-4/natural-hazards-engineering/153?code=NjI0NjIy&t=student

Balanced & Unbalanced Forces

https://mysteryscience.com/forces/mystery-1/balanced-unbalanced-forces/111?code=NjI0NjIy&t=student

Balanced Forces & Engineering

https://mysteryscience.com/forces/mystery-2/balanced-forces-engineering/43?code=NjI0NjIy&t=student

Friction & Pattern of Motion

https://mysteryscience.com/forces/mystery-3/friction-pattern-of-motion/44?code=NjI0NjIy&t=student

Magnets & Forces

https://mysteryscience.com/forces/mystery-4/magnets-forces/45?code=NjI0NjIy&t=student

Magnets & Engineering

https://mysteryscience.com/forces/mystery-5/magnets-engineering/151?code=NjI0NjIy&t=student

4th Grade

Muscles & Skeleton

https://mysteryscience.com/body/mystery-1/muscles-skeleton/59?code=NjI0NjIy&t=student

Light, Eyes, & Vision

https://mysteryscience.com/body/mystery-2/light-eyes-vision/60?code=NjI0NjIy&t=student

Structure & Function of Eyes

https://mysteryscience.com/body/mystery-3/structure-function-of-eyes/61?code=NjI0NjIy&t=student

Brain, Nerves, & Information Processing

https://mysteryscience.com/body/mystery-4/brain-nerves-information-processing/62?code=NjI0NjIy&t=student

Volcanoes & Patterns of Earth's Features

https://mysteryscience.com/rocks/mystery-1/volcanoes-patterns-of-earth-s-features/53?code=NjI0NjIy&t=student

Volcanoes & Rock Cycle

https://mysteryscience.com/rocks/mystery-2/volcanoes-rock-cycle/55?code=NjI0NjIy&t=student

Weathering & Erosion

https://mysteryscience.com/rocks/mystery-3/weathering-erosion/57?code=NjI0NjIy&t=student

Erosion, Natural Hazards. & Engineering

https://mysteryscience.com/rocks/mystery-4/erosion-natural-hazards-engineering/58?code=NjI0NjIy&t=student

Sound, Vibration, & Engineering

https://mysteryscience.com/waves/mystery-1/sound-vibration-engineering/50?code=NjI0NjIy&t=student

Sound & Vibrations

https://mysteryscience.com/waves/mystery-2/sound-vibrations/51?code=NjI0NjIy&t=student

Sound Waves & Wavelength

https://mysteryscience.com/waves/mystery-3/sound-waves-wavelength/52?code=NjI0NjIy&t=student

Speed & Energy

https://mysteryscience.com/energy/mystery-1/speed-energy/304?code=NjI0NjIy&t=student

Collisions & Energy Transfer

https://mysteryscience.com/energy/mystery-2/collisions-energy-transfer/380?code=NjI0NjIy&t=student

Energy Transfer & Engineering (Roller Coaster)

https://mysteryscience.com/energy/mystery-3/energy-transfer-engineering/381?code=NjI0NjIy&t=student

Energy Transfer & Engineering (Dominoes)

https://mysteryscience.com/energy/mystery-4/energy-transfer-engineering/35?code=NjI0NjIy&t=student

Energy Transfer & Engineering (Chain Reaction)

https://mysteryscience.com/energy/mystery-5/energy-transfer-engineering/36?code=NjI0NjIy&t=student

Electrical Energy

https://mysteryscience.com/energy/mystery-6/electrical-energy/37?code=NjI0NjIy&t=student

Heat Energy & Energy Transfer

https://mysteryscience.com/energy/mystery-7/heat-energy-energy-transfer/268?code=NjI0NjIy&t=student

Renewable Energy & Natural Resources

https://mysteryscience.com/energy/mystery-8/renewable-energy-natural-resources/269?code=NjI0NjIy&t=student

5th Grade

Food Chains, Predators, Herbivores & Carnivores

https://mysteryscience.com/ecosystems/mystery-1/food-chains-predators-herbivores-carnivores/119?code=NjI0NjIy&t=student

Plant Needs: Air & Water

https://mysteryscience.com/ecosystems/mystery-2/plant-needs-air-water/94?code=NjI0NjIy&t=student

Decomposers & Matter Cycle

https://mysteryscience.com/ecosystems/mystery-3/decomposers-matter-cycle/95?code=NjI0NjIy&t=student

Decomposers, Nutrients, & Matter Cycle

https://mysteryscience.com/ecosystems/mystery-4/decomposers-nutrients-matter-cycle/215?code=NjI0NjIy&t=student

Ecosystems & Matter Cycle

https://mysteryscience.com/ecosystems/mystery-5/ecosystems-matter-cycle/216?code=NjI0NjIy&t=student

Food Webs & Flow of Energy

https://mysteryscience.com/ecosystems/mystery-6/food-webs-flow-of-energy/212?code=NjI0NjIy&t=student

Hydrosphere & The Roles of Water

https://mysteryscience.com/earth/mystery-1/hydrosphere-the-roles-of-water/122?code=NjI0NjIy&t=student

Groundwater as a Natural Resource

https://mysteryscience.com/earth/mystery-2/groundwater-as-a-natural-resource/123?code=NjI0NjIy&t=student

Water Cycle

https://mysteryscience.com/earth/mystery-3/water-cycle/124?code=NjI0NjIy&t=student

Natural Disasters & Engineering

https://mysteryscience.com/earth/mystery-4/natural-disasters-engineering/154?code=NjI0NjIy&t=student

Day, Night, & Earth's Rotation

https://mysteryscience.com/astronomy/mystery-1/day-night-earth-s-rotation/378?code=NjI0NjIy&t=student

Earth's Rotation & Daily Shadow Patterns

https://mysteryscience.com/astronomy/mystery-2/earth-s-rotation-daily-shadow-patterns/74?code=NjI0NjIy&t=student

Seasonal Changes & Shadow Length

https://mysteryscience.com/astronomy/mystery-3/seasonal-changes-shadow-length/76?code=NjI0NjIy&t=student

Seasonal Patterns & Earth's Orbit

https://mysteryscience.com/astronomy/mystery-4/seasonal-patterns-earth-s-orbit/75?code=NjI0NjIy&t=student

Moon Phases, Lunar Cycle

https://mysteryscience.com/astronomy/mystery-5/moon-phases-lunar-cycle/77?code=NjI0NjIy&t=student

Planets & Solar System

https://mysteryscience.com/astronomy/mystery-6/planets-solar-system/78?code=NjI0NjIy&t=student

Gravity

https://mysteryscience.com/astronomy/mystery-7/gravity/290?code=NjI0NjIy&t=student

Star Brightness & Habitable Planets

https://mysteryscience.com/astronomy/mystery-8/star-brightness-habitable-planets/294?code=NjI0NjIy&t=student

Chemisty & Conservation of Matter

https://mysteryscience.com/chemistry/mystery-1/chemistry-conservation-of-matter/166?code=NjI0NjIy&t=student

Dissolving & Particulate Nature of Matter

https://mysteryscience.com/chemistry/mystery-2/dissolving-particulate-nature-of-matter/167?code=NjI0NjIy&t=student

Acids, Reaction, & Properties of Matter

https://mysteryscience.com/chemistry/mystery-3/acids-reactions-properties-of-matter/168?code=NjI0NjIy&t=student

Chemical Reactions

https://mysteryscience.com/chemistry/mystery-4/chemical-reactions/110?code=NjI0NjIy&t=student

Gases & Particle Models

https://mysteryscience.com/chemistry/mystery-5/gases-particle-models/169?code=NjI0NjIy&t=student

How is a rainbow made?

https://mysterydoug.com/mysteries/rainbows?code=860aaad5b8969b2e01a055b91b4dfa59

How do germs get inside your body?

https://mysterydoug.com/mysteries/germs?code=a70f9a76bc32cdac1324d062cb678bc6

Why do we have tears?

https://mysterydoug.com/mysteries/tears?code=9113e8e804926a18c323a66d4ed14023

Why so we have leap years?

https://mysterydoug.com/mysteries/leap-year?code=fc6aea40e03d92a3437981a4c4703e96

Why do snakes shed their skin?

https://mysterydoug.com/mysteries/snake-skin?code=fced6f2900c621f3a85d41122b3f319d

How does your heart pump blood?

https://mysterydoug.com/mysteries/heart-blood?code=5843ab28c2bb715f04fb8ba8e1cb721f

How are toys invented?

https://mysterydoug.com/mysteries/toys?code=20ed2536314f2630ce3a9cde0fd2da6e

What's it like to be a twin?

https://mysterydoug.com/mysteries/twins?code=96aebd26630f05deae8b84290377d676

What's the biggest number?

https://mysterydoug.com/mysteries/biggest-number?code=b8130bf1aa7d0f84fb2063ae71db6f98

Can animals laugh?

https://mysterydoug.com/mysteries/animals-laugh?code=4bd67e18beedba1ab7b7d83a95dd0545

What's the biggest tree in the world?

https://mysterydoug.com/mysteries/biggest-tree?code=d3a3474c073a1cc825cee381beee5cb5

Why is January the first month of the New Year?

https://mysterydoug.com/mysteries/new-year?code=3a9ec01336d3bbdf0cbc1461a18629da

Why do bears hibernate?

https://mysterydoug.com/mysteries/bears?code=92ca1405b6c4da42a8c22a439d64152b

Why do we need blood?

https://mysterydoug.com/mysteries/blood?code=9aad9f60291c3f1cf065978059d315fe

What is the coldest place on Earth?

https://mysterydoug.com/mysteries/coldest-place?code=b20cbbce48159c4aff2d8e43a7d837b1

Why do people eat turkey on Thanksgiving?

https://mysterydoug.com/mysteries/thanksgiving-turkey?code=c50b8114930bbae47298f61b6e2ddb96

What's that red thing on a turkey?

https://mysterydoug.com/mysteries/red-turkey?code=61e7196ab461b12b600d0d371f1b07f6

Why don't peopel eat ostrich eggs?

https://mysterydoug.com/mysteries/ostrich-eggs?code=649351bd60557384c7405daded5c4992

Who created the constellations?

https://mysterydoug.com/mysteries/constellations?code=bb051e4c60dde4b1c19065dfcab24360

Could a mountain turn into a volvano?

https://mysterydoug.com/mysteries/mountain-volcano?code=0bfbef367ef84d04f4aa62c631cc144d

What would happen if you didn't have a skull?

https://mysterydoug.com/mysteries/skulls?code=aa65d3320c19a7e15b8dc10b6520258f

How is syrup made?

https://mysterydoug.com/mysteries/syrup?code=16f7b6090def61705846aa98e10332ec

Who invented the alphabet?

https://mysterydoug.com/mysteries/alphabet?code=acf8bc094557321ec569da48bc57887e

Has a shooting star ever landed on someone?

https://mysterydoug.com/mysteries/alphabet?code=acf8bc094557321ec569da48bc57887e

Can a shark and dolphin have babies?

https://mysterydoug.com/mysteries/dolphin-shark?code=39ec0f39230cd7edcfc19dd7c2671052

What's the biggest apple in the world?

https://mysterydoug.com/mysteries/biggest-apple?code=e76a79f3693815c691e38698e6ccce7d

What causes the Northern Lights?

https://mysterydoug.com/mysteries/northern-lights?code=b7e28b80c9ccab4aacbc82f14f00b434

Why isn't Pluto a planet anymore?

https://mysterydoug.com/mysteries/pluto-minor-planet?code=b8d76977e09488a3efed8a4ac1e02ade

How can you tell if a mushroom is poisonous?

https://mysterydoug.com/mysteries/poisonous-mushrooms?code=7fcff22e23be15fe9238b9bbba6d676e

How do bees make honey?

https://mysterydoug.com/mysteries/honey-bees?code=4b9bf270f047c7433536721efa6c8799

Why is it so hard to make new inventions?

https://mysterydoug.com/mysteries/inventions?code=7351170a896591979356c344f9d72a89

How so scientists know so much?

https://mysterydoug.com/mysteries/observe-and-question?code=09ed1f7dfd5aed0bb202e6033f278d8d

Can you make lava?

https://mysterydoug.com/mysteries/lava?code=8dfcb1e6f5097a0cad51eff3349f8cb8

How were emojis created?

https://mysterydoug.com/mysteries/emojis-creation?code=f528971a27a27de619f02ca68bb3332b

Why is the sky blue?

https://mysterydoug.com/mysteries/sky-blue?code=a613ea8fdb3001ab3c43824e7ec1d30e

Can animals get a sunburn?

https://mysterydoug.com/mysteries/animal-sunburn?code=c185f9188590a40f9e8c569463ecb239

Why are tornadoes hard to predict?

https://mysterydoug.com/mysteries/predict-tornadoes?code=9e71a916f885f0c3fc34b2a5eec1a6f6

Are aliens real?

https://mysterydoug.com/mysteries/aliens?code=7fa141a50d0cfc53217defd1c032273f

How are diamonds made?

https://mysterydoug.com/mysteries/diamonds?code=f67b9f2f36aa6035ee2201c919ed9313

Why do we have eyebrows?

https://mysterydoug.com/mysteries/eyebrows?code=967443aed5188171fce93fbe1573b189

How do flowers bloom in the spring?

https://mysterydoug.com/mysteries/spring-flowers?code=85cd372295de370bf72906f7ac878e4d

What is a black hole?

https://mysterydoug.com/mysteries/black-hole?code=2f00b52ac46c7df7d7d3d711c162b38f

How old is the Earth?

https://mysterydoug.com/mysteries/old-earth?code=bcf024351f7e32608a488851906a7869

Why do we yawn?

https://mysterydoug.com/mysteries/yawn?code=f95e39e510f5f0a10fd48b0696f4808b

Who invented pizza?

https://mysterydoug.com/mysteries/pizza?code=7d8fc6fc9e65bab9ce4a6aceffe0313c

Do fish sleep?

https://mysterydoug.com/mysteries/fish-sleep?code=ed89bac350612c85169bc9f37f68440c

How do batteries work?

https://mysterydoug.com/mysteries/batteries?code=cbdaf3a5712e0ef6fe67c24afbb1575b

How do Earthquakes happen?

https://mysterydoug.com/mysteries/earthquakes?code=4b244c0fd0da6883141fd60e43964ce1

How do magicians trick people?

https://mysterydoug.com/mysteries/magic?code=26c5eac4ab0e9bd8dbf1c0b5da22f218

How is plastic made?

https://mysterydoug.com/mysteries/plastic?code=9f85760b1c8812f40d3c79d1896a0890

Is Pluto a planet?

https://mysterydoug.com/mysteries/pluto?code=47453d7e30249cadf41a780afe550817

Why do cats purr?

https://mysterydoug.com/mysteries/cats-purr?code=c9e4ddfafe71211c2445d01d22efc08a

Why can't airplanes fly to space?

https://mysterydoug.com/mysteries/airplanes?code=e040a5e6f65d4d5ef3389a5bf166b3a9

Why is the ocean salty?

https://mysterydoug.com/mysteries/ocean-salt?code=10d0a1ba6b0e2eb5fe2ac502acb7b7df

Who invented football?

https://mysterydoug.com/mysteries/football-history?code=d2132dab08227594b33d191a16379321

Why do we get hiccups?

https://mysterydoug.com/mysteries/hiccups?code=4c38a3d22e1b27eb86badf14dcb02e6e

Why does the Moon turn blood red durning a lunar eclipse?

https://mysterydoug.com/mysteries/lunar-eclipse?code=d6160ddcd90dd07203db1bee6f8de820

How is glass made?

https://mysterydoug.com/mysteries/glass?code=17a671277d74c268dbd2694997ff2d2b

Where do bugs go in winter?

https://mysterydoug.com/mysteries/winter-bugs?code=571c6ebdcc303316bbd498c0dee86e41

How is money made?

https://mysterydoug.com/mysteries/money?code=548594304ae75da24754cebfb10b9945

Why is Mars red?

https://mysterydoug.com/mysteries/red-mars?code=3bc5850cc6b223d1ab71a53ddef507e3

Were dragons ever real?

https://mysterydoug.com/mysteries/dragons?code=b69ca5bdf279124f37e0f76ee6379f31

Why so leaves change color in the fall?

https://mysterydoug.com/mysteries/fall-leaves?code=71178918def96521941e9ae620df83c0

How many people are in the world?

https://mysterydoug.com/mysteries/world-population?code=e2d88c8f3b9726977cc2a6f65b90b4fb

Why are pumpkins oranges?

https://mysterydoug.com/mysteries/orange-pumpkins?code=9d546b6b46662b87e015586e4dee5654

What is the biggest sprider in the world?

https://mysterydoug.com/mysteries/biggest-spider?code=b0db25678943784ac949eaa1c6c43cca

Why can't fish breathe on land?

https://mysterydoug.com/mysteries/fish-breathing?code=dae951c39eaf5c2918b0a728d7409715

How so things glow in the dark?

https://mysterydoug.com/mysteries/glow-in-the-dark?code=a783649de5bf2d69caebece6c756ba58

Why do people from England sound different than people from America?

https://mysterydoug.com/mysteries/accents?code=d9166a02d3411a3b1b96d739ec50b15d

What would it be like to live on the Moon?

https://mysterydoug.com/mysteries/accents?code=d9166a02d3411a3b1b96d739ec50b15d

How is gold made?

https://mysterydoug.com/mysteries/gold?code=d97632c8a3b2e6ff631a4ee40808e6ec

What's worse; a hurricane or a tornado?

https://mysterydoug.com/mysteries/hurricane-or-tornado?code=bfd2018149c4eda0d1472ef5c8d45ac9

Why is it so hard for fire fighters to put out wildfires?

https://mysterydoug.com/mysteries/wildfires?code=db3ec9ef3ea941a95df3af2c6302f4ec

How close could an astronaut get to the Sun?

https://mysterydoug.com/mysteries/astronaut-and-sun?code=128028e291c52f87bb2c22cdcdbc3d4c

Why do we sweat when we play sports?

https://mysterydoug.com/mysteries/why-we-sweat?code=78d85a7554e3cf8930e45f7a16c51f81

What is the most dangerous animal in the world?

https://mysterydoug.com/mysteries/dangerous-animal?code=b19a296f1d82ef0ff171a04b4b60faed

Why do you get goosebumps when you're cold?

https://mysterydoug.com/mysteries/goosebumps?code=c6c3e49d1152ffa4cf9533fdebbda1bd

How did cotton candy get its name?

https://mysterydoug.com/mysteries/cotton-candy?code=6edce981b466091499e6a25fb8f57032

Are unicorns real?

https://mysterydoug.com/mysteries/unicorns?code=197cc3822e799ec811f4528d7e5d8ce2

How do you make Mystery Doug videos?

https://mysterydoug.com/mysteries/2018-special?code=fcfb30a60e921c1e09016bd60a9dc9d3

Why are butterflies so colorful?

https://mysterydoug.com/mysteries/butterflies?code=f7b925911f15fba3e625d076d8d49658

How are pencils made?

https://mysterydoug.com/mysteries/pencils?code=7b37ae5b71f37acd6b546af3490b3a72

Is Earth the only planet with life?

https://mysterydoug.com/mysteries/planet-earth?code=b022a0b49c4b849b7a5e208dae1e801c

Why do animals come back after going to warmer places in winter?

https://mysterydoug.com/mysteries/animal-migration?code=36aa250dd2093a87ca018151b028ce44

Why do we have allergies?

https://mysterydoug.com/mysteries/allergies?code=534714c15bdf1f23a3963d7bfb06cd58

Why do we celebrate April Fools' Day?

https://mysterydoug.com/mysteries/april-fools?code=867a11670827758d85779bfab31d0370

Why do birds lay eggs in the spring?

https://mysterydoug.com/mysteries/birds-spring?code=a818089760c52fcac1de22f3e39d2afc

How deep does the ocean go?

https://mysterydoug.com/mysteries/deep-ocean?code=ab15694cbf71172b29a69cddfa86902e

How does hand sanitizer kill germs?

https://mysterydoug.com/mysteries/germs-sanitizer?code=46cb082d58081238d126ea4455af2a96

How do broken bones heal?

https://mysterydoug.com/mysteries/broken-bones?code=1646cbf97f4d5a878030db919d6cf0ec

What are some of the weirdest sports in the Olympics?

https://mysterydoug.com/mysteries/olympic-sports?code=d69e9bfb6f34fb7cbc814dc527a45512

Why did Elon Musk send his car into space?

https://mysterydoug.com/mysteries/spacex-launch?code=fb09a2b277dbb27506f93d086be7ddff

What would happen if football players didn't wear helments?

https://mysterydoug.com/mysteries/football-helmets?code=d9065c0bf2fbaa40f28a414952d06c44

How often do eclipse happen?

https://mysterydoug.com/mysteries/blood-moon?code=269f3ff7a8365899ba0bd30c42b7d357

Why do penguins have wings if they can't fly?

https://mysterydoug.com/mysteries/penguin-wings?code=6ac0ad42b0c0624ba8a73cb84c5259fc

Why do baby animals look so cute?

https://mysterydoug.com/mysteries/cute-animals?code=5dcb1a8eae6526a7f12e9f70da4ef425

Why does it cold in winter?

https://mysterydoug.com/mysteries/winter-cold?code=94a8dcd538be0286f239e01dc13e253f

Why is snow white?

https://mysterydoug.com/mysteries/snow-white?code=e4ba64201f59625ec926094f26794c27

Where does chocolate come from?

https://mysterydoug.com/mysteries/chocolate?code=c760323f8a14afcd00e2fdf8f3063eb0

What is the Moon made of?

https://mysterydoug.com/mysteries/moon?code=892f99518f2e5d82427ffed581d1c6ec

Why are pumpkins so popular every fall?

https://mysterydoug.com/mysteries/popular-pumpkins?code=b30443da885fe400348e2a977c830250

Why do owls say "hoo"?

https://mysterydoug.com/mysteries/owls-hoo?code=287a444344bb50e322f5d3a42129ae60

Do bats really drink blood?

https://mysterydoug.com/mysteries/bats-blood?code=65dea2adbea1db5c75c4e7c020621157

Why do out skeletons have so many bones?

https://mysterydoug.com/mysteries/skeleton-bones?code=a35337bc75d9cd96fcb82fdfd641916f

Why do places have different times?

https://mysterydoug.com/mysteries/places-times?code=20ba6e34687602882d14f2b0b548b3d6

What make hurricanes so dangerous?

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How do they turn wood into paper?

https://mysterydoug.com/mysteries/wood-paper?code=c7ad85258740c010b45d5016bfee8ef3

Why do Zebras have stripes?

https://mysterydoug.com/mysteries/striped-zebras?code=5df884585e5bc72aa2b5ec59f73b18e7

Is ther a pole at the North Pole?

https://mysterydoug.com/mysteries/north-pole?code=9e7bbf2ebfe9a6187a47874cd6c7bb67

Where does metal come from?

https://mysterydoug.com/mysteries/metal-origin?code=2169b7954d84dcd04f4be36eae6d5bed

Why do we call them doughnuts?

https://mysterydoug.com/mysteries/dough-nuts?code=00baa4e3287dec0438e420f4e5269c9f

How dangerous is it to look at the sun?

https://mysterydoug.com/mysteries/dangerous-sun?code=6618b0ca88368ac6fcd7767055c66794

Could a turtle live outside its shell?

https://mysterydoug.com/mysteries/turtles-outside-shell?code=7be9f79e004cce36ec62cdda8f070a63

Why does this rock look like a sponge?

https://mysterydoug.com/mysteries/rock-sponge?code=1a7e129d3f9c64a79558da100074b556

Why are people making such a big deal about the solar eclipse?

https://mysterydoug.com/mysteries/solar-eclipse-2017?code=cbe5243ba84096aa0fde8268b2c191d8