Unit 7 Test Energy and review questions

When the burner in a hot air balloon is turned on, the temperature of the air in the balloon ________ causing its volume to _________ and the balloon _________.

Responses

• increase, expand, and rise

• decrease, shrink and rise

• increase shrink and deflate

• decrease, expand and deflate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What type of heat transfer is pictured in the image of a fluid being heated.

• conduction

• convection

• radiation

• all of these

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A purple liquid and a green liquid are heated. The purple liquid begins to boil faster than the green liquid. Which one has a greater specific heat?

• purple

• green

• They are the same

• there is no way to answer

What would you expect to find located in the electron cloud?

• electrons only

• electrons and protons

• electrons and gases

• protons and neutrons

Tags

NGSS.MS-PS1-1

What is the atomic number of the element shown

• 12

• 11

• 8

• 23

Tags

NGSS.MS-PS1-1

The electrical charge of an atom as a whole is..

• positive

• negative

• neutral

• 1

What could you do to increase the dissolving rate of a sugar cube/

• add more water

• add more sugar

• crush the cube

When making ice tea to add more solute you should

• increase the temperature

• decrease the temperature

Tags

NGSS.MS-PS1-4

When stirring a solution what do you change

• the amount of solvent

• the amount of solute

• the dissolving rate

• the taste of the solution

When making sweet tea which is the solvent

• tea

• sugar

• pitcher

• water