Grade 5 Science Test 1

a tiny piece of matter that is too small to see

• atom

• matter

• dissolve

• molecule

• substance

the stuff that things are made of

• atom

• matter

• dissolve

• molecule

• substance

to mix evenly into a liquid by breaking apart into

pieces that are too small to see

• atom

• matter

• dissolve

• molecule

• substance

a group of atoms joined together in a particular way

• atom

• matter

• dissolve

• molecule

• substance

matter that is made of only one kind of atom

or molecule

• atom

• matter

• dissolve

• molecule

• substance

matter that is made of more than one substance

• atom

• matter

• mixture

• molecule

• substance

able to dissolve in water or another liquid

• mixture

• matter

• soluble

• property

• substance

something you figure out based on observations

and information you already know

• property

• observe

• evidence

• explain

• inference

to describe how something works or why

something happens

• property

• observe

• evidence

• explain

• inference

information that supports an answer to a question

• property

• observe

• evidence

• explain

• inference