What is matter?

• a solid or a liquid

• anything you can touch or see

• anything in the universe

• Anything that has mass and occupies space.

What is true about solids?

• Particles have no spaces between each other

• particles vibrate against each other

• particle have more energy that liquids or gases

• particles have no forces holding them together.

Tags

NGSS.MS-PS3-2

When a substance changes from a gas to a liquid.

• Melting

• Boiling

• Freezing

• Condensing

Tags

NGSS.MS-PS1-4

A substance that experiences sublimation

• water

• gold

• iodine

• copper

Tags

NGSS.MS-PS1-4

What is a melting point?

• The temperature a liquid reaches to change into a gas

• when a substance melts

• when a substance is give energy

• The temperature a solid reaches to change into a liquid

Tags

NGSS.MS-PS1-4

Why does matter contract or expand?

• a change of state

• small energy changes

• particles bump into each other and push each other further apart

• When boiling points are reached

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an experiment when a bottle with a balloon attached was placed in cold water, particles expanded and filled the balloon.

• True

• False

Tags

NGSS.MS-PS1-4

Diffusion is when particles move from an area of low concentration to an area of high concentration.

• True

• False

Gas particles are:

• very closely packed together

• very far apart with large spaces

• Slightly spread out and loosely packed

• packed so closely together that they cant move.

What is the solid version of H2O?

• water

• water vapour

• ice

• steam

Tags

NGSS.MS-PS1-4