G7 Q2 Science Practice Assessment

G7 Q2 Science Practice Assessment

Assessment

Flashcard

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Hard

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23 questions

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1.

FLASHCARD QUESTION

Front

How is ultraviolet light different from the light emitted by a flashlight?

Back

Ultraviolet light is invisible to the human eye.

2.

FLASHCARD QUESTION

Front

What property is used to divide the various colors in the spectrum of white light? (7.P.10.1) Options: speed, wavelength, density, temperature

Back

wavelength

3.

FLASHCARD QUESTION

Front

What is the primary difference between the colors of visible light? Options: the brightness of each color, the heat produced by each color, the wavelength of each color, the speed of each color in empty space

Back

the wavelength of each color

4.

FLASHCARD QUESTION

Front

Which of the following materials would sound travel fastest through? (7.P.10.3) Options: a sponge, a beaker of water, the air in the room, a wooden desk

Back

a wooden desk

5.

FLASHCARD QUESTION

Front

Which of the following materials would light travel fastest through? (7.P.10.3) Options: air, plastic, water, light waves travel through all matter at the same speed

Back

air

6.

FLASHCARD QUESTION

Front

How does the speed of light in water compare to its speed in air?

Back

The speed is slower in water than in air because the molecules are closer together.

7.

FLASHCARD QUESTION

Front

Which of the following could result from heat being transferred to a substance?

Back

The substance changes from a liquid to a gas.

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