Brainpop Temperature

How much of the matter in the universe is comprised of atoms?

• 1 percent

• 99 percent

• 100 percent

How does the air on a hot day compare with the air on a cold day?

• On a hot day, air molecules have more energy

• On a cold day, air molecules move faster

• On a cold day, air molecules don't move at all

Tags

NGSS.MS-PS1-4

What happens inside a thermometer when the temperature goes up?

• The heat causes the liquid to expand.

• The heat boils the liquid into a gas.

Tags

NGSS.MS-PS1-4

Which device measures temperature?

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In France, the air temperature is often 30 degrees in summertime. In the northern U.S., it's often 30 degrees in winter. What's the most likely reason for this?

• Winters in the northern U.S. are extremely warm

• France uses the Celsius scale; the U.S. uses the Fahrenheit scale

• Summers in France are extremely cold

Tags

NGSS.MS-ESS2-6

How is the Kelvin scale different from the Fahrenheit and Celsius scales?

• The Kelvin scale is used in the U.S.; the Fahrenheit and Celsius scales are used in Europe.

• The Kelvin scale measures a wider range of temperatures than the other scales.

• The Kelvin scale has no negative numbers.

Where might you find a temperature of 2 kelvin?

• The North Pole

• The equator

• The coldest regions of outer space

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does warm air rise?

• Because it's less dense than cold air.

• Because it's more massive than cold air.

Tags

NGSS.MS-ESS2-6