Open Scied 7.4

In a gas, particles move

• freely

• by vibrating in place

• by sliding past each other

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

When a system is cooling down, energy is __.

• transferring out of it

• transferring into it

Tags

NGSS.MS-PS1-4

Energy transfers from hotter objects to "colder" ones.

• True

• False

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Analyze results

Communicate results

Draw conclusions

Ask a question

Form a hypothesis

Tags

NGSS.MS-LS1-5

In a solid, particles move ___

• by sliding past each other

• freely

• in place

Tags

NGSS.MS-PS1-4

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-PS3-4

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