Unit 2 Test Review

When you decrease the temperature of a liquid, it will most likely change to a ​ (a)  

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

All matter contains ________ and ________.

• gas and particles

• scent and volume

• mass and volume

• volume and liquid

Lori and Michelle are studying the particles of matter. After their studies, they are required to write an essay on the different types of matter. Select the best explanation on what should be included for a solid.

• Solid particles are spaced out and move freely.

• Solid particles are tightly compacted and vibrate.

• Solid particles are close together but still have space to slide around each other.

• Solid particles do not exist.

Select the statement that is true. You may use the diagram to help determine your answer.

• Solid particles are spaced apart and move fast and freely.

• Liquid particles are spaced apart and move fast and freely.

• Gas particles are spaced apart and move fast and freely.

• Gas particles are close together, tightly packed, and only vibrate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Order the following pictures to represent this order: gas, liquid, solid.

• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

NGSS.MS-PS3-4

As thermal energy increases so does ____________.

• light energy

• sound energy

• kinetic energy

• conduction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Radiation is heat transfer through ​ (a)  

• electromagnetic waves
• direct contact
• movements of fluids
• air/water

Select the correct picture representing conduction.

• 
• 
• 
• 

Answer explanation

The campfire and microwaves are representing radiation.

The boiling water represents convection.

The person holding the rod represents conduction. The heat is transferring from the rod to the hand (represented by arrow). This is heat transfer through direct contact.

True or False: Energy cannot be created nor destroyed, only transformed from one type of energy to another.

• True

• False

Tags

NGSS.MS-PS3-5

True or False: Conductors, such as metals, conduct heat well. This means heat energy is easily transmitted through these materials.

• True

• False

Tags

NGSS.MS-PS3-3