## Science

544days since
Science Night

### This is where you can find weekly warm-ups. Warm-ups are done the first few minutes of class but if someone misplaces their paper or is absent you can still complete it using these questions.They are due every Friday by 3

#### 12/10-12/14/2012

posted Dec 10, 2012, 5:40 AM by Unknown user

 Energy Warm-UpFill in blanks and answer questions. Monday’s Warm-Up CONTENTWhat are the different forms of energy? What are the facts about energy?Tuesday’s Warm-Up RELATIONSHIPSHow does _________ energy relate to ____________energy? How does __________energy effect ____________ energy? Wednesday’s Warm-Up ASSUMPTIONSWhat can we predict would happen if _______energy was nonexistent? What is your hypothesis if ____________energy was nonexistent? Thursday’s Warm-Up GENERALIZATIONSHow does energy relate to your life in a broader sense? How does energy relate to everything in the world? Friday’s Warm-Up SUMARIZATIONWhat was the concept of energy about overall?How can you use your knowledge of energy?

#### 12/03-12/07/2012

posted Dec 3, 2012, 5:45 AM by Unknown user

 MondayDo not forget your explanations. 1. Which of the following types of energy do we get directly from the Sun?1. Heat Energy2. Electrical Energy3. Light EnergyA. 2 and 3 onlyB. 3 onlyC. 1 and 2 onlyD. 1 and 3 only2. Fill in the blank in the sentence below."The ______ energy of a substance is determined by how active its particles are."A. mechanicalB. heatC. electricalD.     lightTuesdayDo not forget your explanations. 1. How is all sound produced?A. heatB. lightC. electricity        D. vibration2. A flywheel is a device that can store energy by causing a wheel with very little friction to spin rapidly. A fairly small amount of electricity is needed to keep the flywheel spinning. The advantage of this situation is that the flyweel's _______ energy, created by its spinning, lasts longer than the electrical energy used to spin it.A. soundB. lightC. thermalD. mechanicalWednesdayDo not forget your explanations. Add1. Coal is a very useful natural resource, because when it is burned it releases a large amount of ______ energy. This energy can then be used to make electricity.A. thermalB. lightC. sound        D. mechanical2. When you move the switch of a flashlight to "on," the light goes on. When you move the switch of a flashlight to "off," the light goes off. How does this happen?A. When the switch is moved to the "on" position, it opens the circuit, and electricity flows through the flashlight bulb. B. The switch in the "on" position closes the circuit, and the electricity flows through the flashlight bulb. C. The wire in the flashlight is considered an insulator, and when the insulator is "on", you will have a closed circuit, lighting the bulb.     D. The terminals of the flashlight are the battery and the bulb. When these are connected, the bulb will light.ThursdayDo not forget your explanations. 1. What is a closed circuit?A. the complete path of an electrical current B. an interrupted path of electricity C. a circular path that electricity is unable to travel through D. a connection of components which prevents electricity from flowing 2. A circuit can be compared to _______.A. parallel linesB. a triangleC. perpendicular linesD. a circle

#### 11/26-11/30/2012

posted Nov 26, 2012, 5:33 AM by Unknown user

#### 11/12-11/16/2012

posted Nov 9, 2012, 7:36 AM by Unknown user   [ updated Nov 9, 2012, 9:07 AM ]

 Monday’s Warm-UpDo not forget your explanations.1. Many people buy lights that they place in the ground in front of their houses. These lights often do not need to be plugged in or to have their batteries replaced. Instead, they get their energy fromA. the soil.B. nearby plants.C. the Sun.D.    water.2. Which of the following actions can produce heat energy?A. refrigerating leftover foodB. rubbing your hands togetherC. placing a metal spoon next to a magnet          D. putting a book on the top shelf of a bookcaseTuesday’s Warm UpDo not forget explanations.1. What type of energy allows a hot air balloon to rise?A. soundB. lightC. thermal            D. electrical2. Electrical energy can produce many other types of energy.When electricity runs through an electric stove, what other type of energy is produced?A. mechanical energyB. sound energyC. chemical energyD. heat energyWednesday’s Warm UpDo not forget explanations. Add1. Electrical energy can produce many other types of energy.When electricity runs through a light bulb, what other type of energy is produced?A. light energyB. mechanical energyC. chemical energyD.     sound energy2. What kind of energy is produced by an electric oven?A. chemical energyB. sound energyC. mechanical energyD. heat energyThursday’s Warm UpDo not forget explanation.Add1. Electrical energy can produce many other types of energy.When electricity runs through an electric stove, what other type of energy is produced?A. mechanical energyB. sound energyC. chemical energyD. heat energy2. Electrical energy can produce many other types of energy.When electricity runs through a light bulb, what other type of energy is produced?A. light energyB. mechanical energyC. chemical energy         D. sound energy

#### 11/05-11/09/2012

posted Nov 5, 2012, 5:25 AM by Unknown user

 Monday’s Warm-Up11/05What is the definition of mechanical energy?A. Energy of an object because of its motion and position.B. Energy of an object because of its motion.C. Energy of an object because of its position.D. Energy of an object due to potential energy. What is the definition of kinetic energy?A. Energy due to positionB. Energy in motionC. Potential energyD. Energy that doesn’t moveTuesday’s Warm-Up11/06What is the definition of potential energy?A. Energy due to position B. Energy due to motionC. Kinetic EnergyD. Energy that moves What is the definition of energy? A. Kinetic energyB. Potential energyC. The ability to do work. D. The inability to do work. Wednesday’s Warm-Up11/07What is the definition of motion?A. Changing position or place.B. Not changing position or place.C. Potential energyD. ability to do work What is the definition of position?A. Potential energyB. Ability to do workC. Changing place     D.  A place where someone or something is located. Thursday’s Warm-Up11/08What type of energy do the roller coaster cars have as they roll along the track?A. mechanical energyB. electrical energyC. light energyD.     thermal energyMechanical energy is energy an object has due to its motion or position.Which object converts electrical energy to mechanical energy?A. a fanB. an electric blanketC. a television        D. a light bulb

#### 10/29-11/02/2012

posted Oct 25, 2012, 1:51 PM by Unknown user   [ updated Oct 25, 2012, 1:52 PM ]

 Monday 10/29Do not forget explanations. 1. In which of the following states of matter are the particles close together but still able to flow?A. liquidB. plasmaC. solidD. gas2. Which of the following are physical properties?A. the melting point of a solidB. the boiling point of a liquidC. the freezing point of a liquidD. all of theseTuesday 10/30Do not forget explanations. 1. Buoyancy is the tendency of an object to float in a liquid or rise in a gas. Which of the following objects tends to make a person more buoyant in water?A. flippersB. scuba gearC. a wet suitD. a life jacket2. If you take a piece of aluminum foil and crumple it up, it sinks in water. If, however, you take the same piece of aluminum foil and mold it into a boat shape, it floats. Given this information, you know thatA. buoyancy depends only on the type of material used. B. the size of an object affects its buoyancy. C. buoyancy only depends on the type of fluid used.             D. the shape of an object affects its buoyancy. Wednesday 10/31Do not forget explanations. 1. You would like to determine if an object conducts electricity. Which of the following experiments would test this?A. Weigh the object before and after refrigeration. B. Float the object in water. C. Place the object on a source of heat and measure the time it takes to heat up. D. Include the object in a circuit, and check to see if the circuit still works. 2. Objects with high conductivity are able to move electric charges or transfer heat very easily. Which of the following objects best demonstrates the physical property of high conductivity?A. a metal spoonB. a rubber placematC. a glass baking dish    D. a plastic bottleThursday 11/01Do not forget explanations. 1. An unknown mineral attracts iron filings. It can be assumed that this mineralA. is colorless.B. is magnetic.C. is hard.D. has a metallic luster.2. Marco found a mineral. What test could he do to find out if the mineral has the property of magnetism?A. hold the mineral near some iron filingsB. rub the mineral on a streak plateC. scratch the mineral with a fingernailD. carefully smell the mineral

#### 10/22-10/27/2012

posted Oct 19, 2012, 7:40 AM by Unknown user

Monday’s Warm Up

Do not forget explanations

 A plant nursery is a business that grows and sells plants. A nursery wants to develop a fertilizer that will result in the longest  lasting blooms on flowering plants.   When testing each of its possible fertilizer formulas, the nursery should

A.           measure the height of the plant and record the type of fertilizer used.

B.          measure the time it takes for the plant to get a bud.

C.          count the number of leaves and record the type of fertilizer used.

D.          record the type of fertilizer and the time it takes for flowers to die.

 Eri noticed that when she boiled water in the teakettle, sometimes the water  boiled quickly, and other times it took a long time.   Eri wanted to find out why this happened. For her experiment, she decided to keep the burner the same temperature for every trial, and she used the same kettle for each trial.   What data should she collect during her experiment?

A.  the temperature of the steam as it leaves the kettle

B.  the time it takes the water to boil and how the water tastes

C. the amount of water in the kettle and the color of the kettle

D. the amount of water in the kettle and the time it takes for the water to boil

Tuesday’s Warm Up

Do not forget explanations

 Fourth graders were experimenting with melting times of ice cubes. All the ice cubes were exactly the same size and shape. They had three identical glasses.   Sam put his ice cube in an empty glass on the counter. Ciaran put his cube in an empty glass in the refrigerator, and Faith put her ice cube in a glass filled with water on the counter.   What would the fourth graders want to observe and record about the experiment?

A.  the amount of water produced from the melted ice cube

B.  the shape of the melting ice cube

C. the color of the melting ice cube

D. the time it took for the ice cube to melt completely

The table below shows the U.S. Census Bureau's population predictions in thousands from 1995 to 2025.

 July 1, 1995 July 1, 2000 July 1, 2005 July 1, 2015 July 1, 2025 Delaware 717 768 800 832 861 New Jersey 7,945 8,178 8,392 8,924 9,558 New York 18,136 18,146 18,250 18,916 19,830 Pennsylvania 12,072 12,202 12,281 12,449 12,683

Which state has the lowest population prediction on each date?

A.  New Jersey

B.  Pennsylvania

C. New York

D. Delaware

Wednesday’s Warm Up

Do not forget explanations

 Denise is trying to decide between two different brands of soap. Both soaps say they kill more bacteria than any other type of soap. What does Denise need to make a scientific decision about which soap kills more bacteria?

A.  a guarantee by the company

B.  a question

C. a hypothesis

D. evidence

 Both of Tiffany's parents have blue eyes. Tiffany also has blue eyes. Tiffany's mom is about to have another baby. What would be the best prediction about the new baby's eyes?

A.  The new baby will have blue eyes.

B.  The new baby will have brown eyes.

C. The new baby will need glasses.

D. The new baby will be color-blind.

Thursday’s Warm Up

Do not forget explanations

 Two friends are able to touch an object in a soft cloth bag, but they can't see or smell it.   Which of the following statements about the object could they make as a conclusion?

A.  Objects in bags are always round.

B.  The object is round.

C. The object is a gumball.

D. The object is green.

 How might a student tell about the procedures and results of an experiment?

A.  make a presentation to the class

B.  write in a journal

C. make a drawing or poster

D. all of these

#### 10/15-10/19/2012

posted Oct 12, 2012, 8:11 AM by Unknown user   [ updated Oct 17, 2012, 6:34 AM ]

 MONDAY 5th GRADE- DO NOT FORGET EXPLANATIONS1. What is the definition of dissolve?A. A solid becomes part of a liquidB. A solid does not become part of a liquidC. A liquid becomes part of a solidD. A liquid becomes part of another liquid2. What is the definition of soluble?A. Ability of a liquid to become part of a solid. B. Inability to be a solid that becomes part of a liquid. C. Ability to be a solid that becomes part of a liquid. D. Ability of a liquid to become part of a solid.TUESDAY 5th GRADE- DO NOT FORGET EXPLANATIONS1. Jenny wanted to know which kinds of materials would dissolve in water. To find out, she put five different materials into five different glasses of water. She wrote down whether or not the materials dissolved. Her results are shown in the table below.Solubility DataMaterial Does it dissolve in water?Salt YesMetal NoSugar YesSoap YesOil NoBased on the table, which of the following is true?A. Salt is soluble.B. Metal is soluble.C. Soap is insoluble.D. Sugar is insoluble.2. Based on the table, which of the following is false?A. Salt is soluble.B. Sugar is soluble.C. Soap is soluble.D. Sugar is insoluble.WEDNESDAY 5th GRADE- DO NOT FORGET EXPLANATIONSAdd1. Jenny wanted to know which kinds of materials would dissolve in water. To find out, she put five different materials into five different glasses of water. She wrote down whether or not they dissolved. Her results are shown in the table below.Solubility DataMaterial Does it dissolve in water?Salt YesMetal NoSugar YesSoap YesOil NoBased on the table, which of the materials are insoluble?A. salt and sugarB. salt and metalC. oil and soapD.     metal and oil2. Based on the table, which of the materials are soluble?A. salt and sugarB. salt and metalC. oil and soap        D. metal and oilThursday 5th GRADE- DO NOT FORGET EXPLANATIONS1. Erin has a glass of water. She pours sand into the glass. All of the sand settles at the bottom of the glass.Which of the following is true about the solubility of sand in water?A. Sand is soluble. It does not float in water.B. Sand is insoluble. It does not dissolve in water.C. Sand is insoluble. It disappears in water.D. Sand is soluble. It completely dissolves in water.2. Powdered drink mix is soluble in water. What will happen to powdered drink mix if it is poured into a bottle of water and the bottle is shaken?A. The powdered drink mix will stick to the sides of the bottle. B. The powdered drink mix will dissolve in the water. C. The powdered drink mix will float at the top of the bottle. D. The powdered drink mix will sink to the bottom of the bottle.

#### 10/08-10/12/2012

posted Oct 5, 2012, 9:24 AM by Unknown user   [ updated Oct 8, 2012, 7:31 AM ]

Monday 5th Grade- DO NOT FORGET EXPLANATIONS

1.

 You would like to determine if an object conducts electricity. Which of the following experiments would test this?

2.

 Objects with high conductivity are able to move electric charges or transfer heat very easily. Which of the following objects best demonstrates the physical property of high conductivity?

 A. a plastic bottle B. a metal spoon C. a glass baking dish D. a rubber placemat

TUESDAY 5th Grade- DO NOT FORGET EXPLANATIONS

1.

 Objects with poor conductivity

 A. do not transfer heat very well. B. do not bend or break. C. are not very good with directions. D. are very good at transferring electric charges.

2. The electric current of a circuit is opened or close by---

A. Wires

B. Switches

C. Lightbulbs

D.Conductors

WEDNESDAY 5th Grade- DO NOT FORGET EXPLANATIONS

1. A student found out that the batter in a circuit was dead. What should the student do if he or she wishes to have a closed circuit?

A. Try the circuit without a battery.

B. Add longer wires to the circuit.

C. Hook up a new battery.

D.Add a switch to the circuit

2.

 Objects with poor conductivity

A.         do not bend or break.

B.         are not very good with directions.

C.         do not transfer heat very well.

D.are very good at transferring electric charges.

THURSDAY 5th Grade- DO NOT FORGET EXPLANATIONS

1. An object that allows movement of electric charges along a path is called—

A. resistance

B. insulation

C. conductor

D.parallel circuit

2. List three objects that are conductors and list three insulators.

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