Name the source of light.

Name the source of light.

Which of the following can be used during emergencies?

• fireworks

• Christmas lantern

• rechargeable lamp

• sun

Which of the following produces a loud sound?

• police siren

• squeaking mouse

• whispering

• humming

Which of the following produces a soft sound?

• thunder

• ambulance siren

• church bell ringing

• heartbeat

The box of books has ________ than the box of toys.

• more mass

• less mass

The baby has more mass than the boy.

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Which statement best describes the mass of the objects in the illustration?

• The toothpaste is heavier than the apple.

• The apple is lighter than the toothpaste.

• Both objects have the same mass.

• They don't have mass.

Which has less mass?

• canned tomatoes

• canned soup

The lamp occupies more space than the computer.

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