Science Unit 2 Quiz 1

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

• observe

• property

• matter

• atom

to use any of the five senses to gather information about something

• property

• matter

• observe

• substance

the stuff that things are made of

• property

• model

• matter

• evidence

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

• atom

• matter

• substance

• mixture

a group of atoms joined together in a particular way

• observations

• molecules

• substance

• inference

something scientists make to answer questions about the world

• inferences

• model

• molecules

• atoms

matter that is made of more than one substance

• mixture

• molecules

• atoms

• evidence

something you can figure out based on observations and what you already know

• inference

• model

• evidence

information that supports an answer to a question

• attract

• mixtures

• evidence

• molecules

all matter is made up of

• atoms

• solids

• liquids

• evidence