Open Sci Ed

If we are trying to see how the amount of light shining a cup will affect how much a cup of water warms up, what is a CONTROLLED VARIABLE? Read carefully.

• material of cup

• amount of water in cup

• number of layers in the cup

• All answers are correct.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is is called when gas molecules turn into a liquid?

• condensation

• evaporation

• melting

• freezing

Tags

NGSS.MS-PS1-4

What is it called when molecules turn from a liquid into a gas?

• condensation

• evaporation

• melting

• sublimation

Tags

NGSS.MS-PS1-4

A particle's speed is related to how much __ it has.

• gravitational energy

• kinetic energy

• potential energy

• elastic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When a system is cooling down, energy is __.

• transferring out of it

• transferring into it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When a system is warming up, energy is

• transferring into it

• transferring out of it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Particles in colder water move less than particles in hotter water.

• true

• false

Tags

NGSS.MS-PS1-4

Energy is __ when higher-energy particles come into contact with lower-energy particles.

• transferred

• lost

• missing

• qualitative

Tags

NGSS.MS-PS3-5

__ has mass and takes up space. Liquids and gases are made of particles of this.

• space

• temperature

• systems

• matter

Tags

NGSS.MS-PS1-5

This diagram shows how thermal energy always moves from cold to hot.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3