U2 Chp 1

The stuff that things are made of

• mixture

• model

• matter

• molecule

anything that is made of more than one substance

• substance

• model

• mixture

• matter

a tiny piece of matter that is too small to be seen

• atom

• attract

• model

• evidence

to pull on an object without touching it

• atom

• evidence

• observe

• attract

a group of atoms joined together

• matter

• molecule

• model

• mixture

what you can observe or measure about something that helps you identify or describe it

• property

• observe

• model

• evidence

to use your 5 senses to gather information

• substance

• model

• evidence

• observe

something scientists make to answer questions about the real world

• matter

• model

• molecule

• mixture

information that supports an answer to a question

• property

• observe

• evidence

• substance

a single part of a mixture

• mixture

• substance

• attract

• evidence