Science Unit 3 Review - Light

In which room could you see the most objects?

• a room with bright light

• a room with some light

• a room with low night

Why can you see fireworks in the night sky?

• The sky around the fireworks is dark.

• Fireworks give off their own light.

• Light shines on the fireworks.

What could you do to make the objects in this room easier to see?

• turn on more lamps

• turn off all the lamps

• make the light lower

How much light can pass through this window?

• No light passes through.

• Some light passes through.

• All light passes through.

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How much light can pass through this window?

• No light passes through.

• Some light passes through.

• All light passes through.

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How much light can pass through this window?

• No light passes through.

• Some light passes through.

• All light passes through.

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What causes a shadow?

• An object blocks light.

• An object gives off its own light.

• Light shines on an object.

You walk by a lamp and make a shadow on the wall. You want the shadow to be bigger. What should you do?

• Walk closer to the lamp.

• Step away from the lamp.

• Jump up and down in the same spot.

Which sentences are true about the way light travels? Choose all that apply (2)

• Light can move around objects.

• Light travels in a straight line until it hits an object.

• Light can reflect off an object.

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Which objects could you use to reflect light? Choose all that apply (2)

• a piece of foil

• a wooden spoon

• a mirror

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