Science Lesson 7-8 Quiz

How is light related to our iced drink warming up?

• Light provides energy that warms up the drink.

• Light creates cold that warms up the drink.

• Light makes the drink evaporate.

• Light adds ice to the drink.

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What other factors can cause the iced drink to warm up?

• Placing the drink in a fridge

• Putting ice cubes in the drink

• Warm air around the drink

• Covering the drink with foil

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What difference would you see in the particles of hot tea compared to iced tea?

• Particles in the iced tea move faster than those in the hot tea.

• Particles in both teas move at the same speed.

• Particles in the hot tea are larger than those in the iced tea.

• Particles in the hot tea move faster than those in the iced tea.

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How does changing the temperature of the air outside the cup affect the water inside the cup?

• The water inside will stay the same temperature.

• The cup will melt.

• The water inside will change temperature to match the air.

• The water inside will freeze.

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If the iced drink warms up, what happens to the temperature of the air right outside the cup?

• The air right outside the cup heats up significantly.

• The air right outside the cup cools down slightly.

• The air right outside the cup stays the same.

• The air right outside the cup freezes.

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When thermal energy is added to a fluid, the following happens…

• The motion of movement of the particles speed up

• The particles in the fluid move farther apart

• The particles condense and move closer together

• The particles collide and stay close together

• The particles slow down in speed

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The density of solution A is _______________ g/mL

• 1.25 g/mL

• 1.50 g/mL

• 1.00 g/mL

• 1.75 g/mL

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The density of solution B is _______________g/mL

• 1.75 g/mL

• 1.50 g/mL

• 2.00 g/mL

• 1.25 g/mL

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The density of solution D is _______________g/mL

• 1.45 g/mL

• 1.25 g/mL

• 1.55 g/mL

• 1.35 g/mL

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If you were to layer these solutions in a straw (as you did in class), in what order would you put them in the straw so they wouldn’t mix immediately? (Hint: it’s based on the densities you calculated on 7-9 the highest density at the bottom is layered first and the lowest density at the top is layered last)

• A, B, C, D

• B, D, A, C

• C, A, B, D

• D, A, B, C

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