Cast Science

I am a pure substance that is made from identical atoms. You can’t separate me into simpler substances.

• Mixture

• element

• substance

• molecule

I am a substance that is made from two or more different types of atoms. If you want to separate me into simpler chemicals you will need to use a chemical reaction.

• atom

• element

• mixture

• compound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

I am made from two or more elements or compounds, but I can be easily separated into pure substances.

• mixture

• compound

• element

• atoms

Describe what this particle diagram represents. Is it an element, compound or mixture?

Tags

NGSS.MS-PS1-1

Which state of matter has particles which are arranged tightly and in a regular way?

• gases

• liquids

• solids

• water

How do particles in a solid move?

• vibrate

• move freely

• move past to each other

• cannot move at all

What happens to solids when they are heated?

• they expand

• they freeze

• they get smaller

• they break down

Tags

NGSS.MS-PS1-4

How do particles in a liquid move?

• vibrate

• move freely

• move past to each other

• cannot move at all

Tags

NGSS.MS-PS1-4

Which state of matter is represented in this diagram?

• solids

• liquids

• elements

• gases

How many different elements are shown in this image?

• nine

• five

• three

• two

Tags

NGSS.MS-PS1-1