Grade 7 Ultimate Q2 BMA Review

Front

What is the speed of light compared to the speed of sound?

Back

Light travels faster than sound.

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Front

What happens when heat is removed from a system?

Back

The temperature of the system decreases.

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Front

What is ultraviolet light?

Back

Ultraviolet light is a type of electromagnetic radiation that is invisible to the human eye.

Front

How does sound travel in different states of matter?

Back

Sound travels fastest in solids, slower in liquids, and slowest in gases.

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Front

What is the relationship between temperature and heat removal?

Back

Removing heat from an object lowers its temperature.

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Front

What is the definition of wavelength?

Back

Wavelength is the distance between successive peaks of a wave.

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NGSS.MS-PS4-1

Front

What is the difference between visible light and ultraviolet light?

Back

Visible light can be seen by the human eye, while ultraviolet light cannot.

Front

What is the effect of density on the speed of sound?

Back

Generally, sound travels faster in denser materials.

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NGSS.MS-PS4-2

Front

What is the definition of sound waves?

Back

Sound waves are vibrations that travel through a medium (solid, liquid, or gas) and can be heard when they reach a person's or animal's ear.

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Front

What is the temperature scale used in most scientific contexts?

Back

The Celsius scale is commonly used in scientific contexts.