Particles and Kinetic Energy

What happens to the liquid level in the bottle wrapped in a cold wrap?

• It changes color due to temperature change

• It goes down the tube towards the bottle

• It spills out of the tube

• It moves up the tube from the bottle

Tags

NGSS.MS-PS1-4

What happens to the liquid in the hot wrapped bottle?

• It goes up the tube away from the bottle

• It goes down the tube towards the bottle

• It changes color due to temperature change

• It spills out of the bottle

Tags

NGSS.MS-PS1-4

Why does water expand when it is heated?

• The particles get bigger taking up more space

• The particles get smaller taking up less space

• The particles move faster and use more space as they move

• Mr. Ziemer said they do, so they take up more space

Tags

NGSS.MS-PS1-4

A student can't remove a metal nut from a bolt. How could the student loosen the nut from the bolt?

• Twist them apart really hard

• Let them soak in water

• Hit them with a hammer really hard

• Use ice to cool the bolt and use flame to heat the nut

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

What happends to the particles in a solid when they are heated?

• The particles vibrate faster making them get a bit further apart

• The particles slow down and stop moving

• The particles spin faster and faster in a circle

• The particles move about freely in all directions

Tags

NGSS.MS-PS1-4

A student drank most of the water from their plastic water bottle and put it in the refridgerator. They come back and the bottle looks like it got squished. What happened to the bottle?

• Their brother stepped on it squishing it

• The cold caused the air and water particles inside the bottle to contract

• The particles inside got smaller as they got colder

• Some of the air particles in the empty part of the bottle escaped

Tags

NGSS.MS-PS1-4

A jeweler heats a gold strip and bends it for an ear ring. The jeweler then cools the ear ring. When the strip of gold is heated, the gold particles ____________. Select the answers that accurately complete the sentece.

• move faster

• get closer together

• increase in number

• grow larger

• move farther apart

Tags

NGSS.MS-PS1-4

A metal strip is heated to be shaped. What happens to the particles in the metal strip as it cools? The kinetic energy of the particles ___________________. (choose the best answer)

• increases and the particles move farther apart

• decreases and the particles move more slowly

• does not change

• decreases and the particles stop moving

Tags

NGSS.MS-PS1-4

What can cause a solid, liquid, or gas to contract?

• a decrease in kinetic energy

• adding pressure

• cooling the substance

• adding heat to the substance

Tags

NGSS.MS-PS1-4

How can you decrease the volume of a gas?

• contraction

• compression

• heating

• decrease pressure