Energy STAAR Prep

Light traveling through the air moves in a (a)   line.

• Curved line
• Straight Line
• Zig-Zag line
• None of these

How does a hand lens change the appearance of objects to make them appear larger?

• Changes the color of the light

• Bends light passing through it

• Converts light energy to heat

• Absorbs the light

In a science experiment, a student investigates the absorption of light by different materials. The student sets up a series of objects under a lamp to observe their interaction with light. Which material will absorb the most light in the experiment?

• Mirror

• Glass

• Black fabric

• White paper

Which of the following best models how light is reflected?

• Light passing through a transparent material

• Light changing direction as it passes through a prism

• Light converted into thermal energy within the material

• Light bouncing off a mirror

Which image best shows light being refracted?

• [Image A]

• [Image B]

• [Image C]

• [Image D]

Which of the following materials would reflect the most light?

• A. A flat sheet of aluminum foil

• B. Black velvet blanket

• C. Glass vase

• D. White towel

What happens to a swing when you pull it back and then let go?

• It stays in the same place.

• It moves forward and backward.

• It moves in a circle.

• It stops moving completely.

Which of the following would be the best way to test how different angles of a ramp affect the speed of a toy car?

• Using the same angle for all tests

• Using different cars for each test

• Using different angles for the ramp

• Using different surfaces for the ramp

What happens to light when it travels from air into water?

• It disappears.

• It bends or changes direction.

• It travels faster.

• It stops moving.

Match the following circuits to the type of energy transformation they demonstrate.

• A circuit with a speaker

• Thermal energy

• A circuit with a heater

• Light energy

• A circuit with an LED light

• Motion energy

• A circuit with a fan

• Sound energy