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PS1-4 Lesson5 FA#2

Last updated over 4 years ago

9 questions

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Question 1

1.

___ 1. Which is NOT true about molecules gaining thermal energy?

Molecules speed up causing temperatures to rise.

Molecules spread apart

Molecules slow down causing temperatures to rise

Question 2

2.

Melting ; gas

Evaporating; liquid

Subliming; gas

Condesing; liquid

Question 3

3.

Melting; liquid

Subliming; gas

Freezing; liquid

Depositing; gas

Question 4

4.

Melting; solid

Condensing; gas

Evaporating; gas

Freezing; solid

Question 5

5.

Thermal energy, felt as heat, is always transferred from warmer
objects to colder objects.

True

False

Question 6

6.

A chocolate candy bar is sitting on the dashboard through the afternoon on a day that is 102oF.
Answer each of the questions below to explain what is happening to the candy bars and its molecules.
6. Starting state of matter_ and ending state of matter

solid, gas

solid, liquid

liquid, gas

liquid, solid

Question 7

7.

The speed of the molecules is

Getting faster

Staying the same

Slowing down 

Question 8

8.

The space between molecules

Getting larger

Staying the same

Getting slower

Question 9

9.

The temperature is

Increasing 

Staying the same

Decreasing 