Quiz on Thermal Energy and Molecules

Quiz on Thermal Energy and Molecules

8th Grade

12 Qs

quiz-placeholder

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Quiz on Thermal Energy and Molecules

Quiz on Thermal Energy and Molecules

Assessment

Quiz

Health Sciences

8th Grade

Medium

Created by

Ruben Mora

Used 1+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does temperature measure?

The size of the molecules in a substance

The speed of light in a vacuum

The average speed of the molecules in a substance

The number of molecules in a substance

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If molecules in a substance move faster, what happens to the temperature?

It decreases

It increases

It stays the same

It depends on the type of substance

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true at absolute zero?

Molecules move at their fastest speed

Molecules stop moving completely

Molecules move at their slowest possible speed

Molecules expand

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main factor that causes something to change temperature?

Changes in molecule size

Changes in the number of molecules

Changes in molecule movement

Changes in molecular structure

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is an average calculated?

By dividing the smallest number by the largest number

By adding all numbers and dividing by the count of numbers

By subtracting the smallest number from the largest

By multiplying all numbers together

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Diagram 1, the average speed of molecules is calculated as 10. What does this say about its temperature?

It is lower than the temperature of Diagram 2

It is higher than the temperature of Diagram 2

It is the same as the temperature of Diagram 2

It cannot be determined

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the air molecules when the air gets warmer?

They stop moving

They move faster

They move slower

They shrink

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