Embedded Files
Undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical processes
video How Heat Moves
video Ice and String
video Ice Cream Science
video Silver Pictures
video, ClosedCaptions Heating a Balloon
video, ClosedCaptions Measuring Calories
text page A Cool Change
text page A Hot Change
Engage (45–90 minutes)
Core Interactive Text: The Mixing up of Matter
Image: Different Mixtures Caption: Soil, seawater, and air are made of many different materials mixed together. What are some mixtures that are around you right now?
Image: Waves in Open Sea Caption: The water in seas and oceans is salty. It is not fit for drinking.
Image: Clouds in Blue Sky Caption: Photographer: Ralph F. Kresge, October 1979, Marathon Key. Florida. Towering cumulus clouds in clear blue sky above ocean surface.
Video: Homogeneous Mixtures Caption: Homogeneous mixtures contain a combination of components that are distributed evenly. Can you think of some homogeneous mixtures that may be in your kitchen?
Video: Mixtures Caption: What is the difference between a solid, a liquid, and a gas?
Video: Testing Paint Mixtures Caption: Can combining certain substances create a dangerous mixture?
Video: How Can Matter Change Caption: Watch matter changing form. Can you think of other types of matter that change form?
Explore (180 minutes)
Core Interactive Text: How Do Mixtures, Solutions, and Pure Substances Differ?
Video: Homogeneous Mixtures Caption: Mixtures are physical combinations of substances. How do homogeneous mixtures differ from other types of mixtures?
Image: Pink Granite Caption: This solid-looking chunk of granite is actually a mixture of several different minerals. How many different substances can you identify?
Reading Passage: Getting to Know: Solutions Caption: A solution is a solute mixed into a solvent. What are some everyday examples of solutes and solvents?Image: Early Morning Fog Caption: Fog is a mixture (colloid) of water droplets and air. What other substances are mixed into the air?
Core Interactive Text: How Are Solutions, Suspensions, and Colloids Both Similar and Different?
Exploration: All Mixed Up Caption: Have you ever wondered why soda has bubbles in it? Why is it hard to see in the fog? What makes a good sand castle?
Image: Muddy Waters Caption: The Huang He River in China is a suspension of water and soil. What will happen to the soil when the water slows down?
Video: Emulsions Caption: Emulsions are a type of colloid. They are dispersions of one substance inside another. What emulsions have you encountered?
Core Interactive Text: How Do the Substances of Mixtures Affect the Process of Separation?
Hands-On Activity: Mixture Separation Caption: In this activity, you will practice using a number of different techniques to separate different kinds of mixtures. Which mixture will be the easiest to separate? Which will be the hardest?
Explain (45–90 minutes)
Core Interactive Text: Explaining Combining and Separating
Image: Scientific Explanation
Video: Student Scientific Explanations
Elaborate with STEM (45–135 minutes)
Core Interactive Text: Careers and Combining and Separating Mixtures
Video: Nanotechnology Caption: What other types of pollutants mixed with water might the products in this video help remove?
Video: Nanotechnology Caption: Nanotechnology is a fairly new method for creating substances and devices. Can you think of some areas in science that may benefit from nanotechnology?
STEM Project Starter: Multiple Mixtures
STEM Project Starter: Useful Processes
STEM Project Starter: Water, Water Everywhere …
Evaluate (45–90 minutes)
Core Interactive Text: Review Combining and Separating
Constructed Response: Combining and Separating
EVALUATE
EVALUATE
Please complete the Brief Constructed Response (BCR) item titled Combining and Separating. When you have completed the assessment, turn it in.
Combining and Separating (Constructed Response)
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