Amplify Thermal Energy Chapter 2

Front

To find the average of a set of numbers, add up all the items and divide by...

Back

the number of items

Front

molecule

Back

a group of atoms joined together

Front

If the molecules that make up a sample speed up, what else happens?

Back

the temperature of the sample increases

Front

temperature

Back

a measure of how hot or cold something is

Front

To find the average, you must ______ all the numbers and then divide by the number of items.

Back

add

Front

If the temperature of a rock is absolute zero, what would happen to the molecules?

Back

They would not be moving at all.

Front

When things get hotter, their molecules are moving _________.

Back

faster

Front

Mandy earns money by delivering groceries. She earned $4 on Monday, $7 on Tuesday, $5 on Wednesday, $4 on Thursday, and $5 on Friday. What is the average amount of money Mandy earned per day?

Back

$5

Front

If the temperature of a substance is hot, what are the molecules doing?

Back

they are moving very fast

Front

True or False: The average of a set of numbers is a good representation of the whole.

Back

True