02/07 DOL SCI

This question has two parts. First, Answer Part 1. Then answer Part 2.

A student makes a terrarium, containing plants and a lizard. Lizards are cold-blooded animals, which means that their body temperature varies with the temperature of the environment. Because of this, they cannot live in an extremely hot or cold environment. The student places the terrarium on a windowsill so that the sun will shine on the lizard.

Which of these could the student use with the terrarium that would help the lizard survive at night?

• A lamp

• A thermometer

• A radio

• A Mirror

This question has two parts. First, Answer Part A. Then answer Part B.

A student makes a terrarium, containing plants and a lizard. Lizards are cold-blooded animals, which means that their body temperature varies with the temperature of the environment. Because of this, they cannot live in an extremely hot or cold environment. The student places the terrarium on a windowsill so that the sun will shine on the lizard.

Which statement BEST explains the answer to Part 1?

• It is difficult to see in the dark.

• The air temperature is cooler at night.

• It is much more quiet at night.

• Moonlight can reflect from the plants.

A student recorded the time it took for all the water in a puddle on a sidewalk to evaporate after a rain. Which kind of energy causes water to evaporate?

• Light energy from streetlights

• Sound energy from passing cars

• Thermal energy from the environment

• Mechanical energy from nearby streets

Which examples use mechanical energy to perform their functions?

• Examples 1, 2, and 4

• Examples 1, 3, and 4

• Examples 1 and 2 only

• Examples 3 and 4 only

A student uses the setup shown to investigate ways to speed up evaporation.

• Mechanical energy and electrical energy

• Sound energy and thermal energy

• Light energy and sound energy

• Electrical energy and thermal energy

An old-fashioned metal toy is shown below. When the candle is lit, the carousel of horses begins to turn. Describe how thermal energy is shown below.

Which of these correctly describes the energy that makes the carousel turn?

• Heat from the candle produces currents of warm air.

• Heat from the candle produces electrical energy.

• Light from the candle produces mechanical energy.

• Light from the candle produces wind currents.