Grade 9 Science - Topic is Matter

They have a definite shape and volume/ All particles are tightly packed together.

• liquid

• solid

• gas

Anythin that has weight an takes up space is defiined as

• Molecules

• Atoms

• Matter

A good example of matter that has volume and weight is

• Water (H2O)

• Protons

• Neutrons

A solid becomes a liquid and then becomes a gas with the addition of

• cold

• heat

• salt

Based on our experiment, does air have volume and weight?

• No it does not.

• I don't know.

• Yes it does.

An ele,ent is madeone up of how many atoms?

• one

• two

• several

A compound is made up of how many atoms?

• One

• Two or more

• none

Electrons are ____________ charged, Protons are ______________ charged and neutrons have ________charge.

• negatively, positively, have no charge.

• positively, negatively, have no charge.

• Have no charge, positively, negatively charged.

What is the name of the table scientisis use chemical and physical matter?

• The number system

• The classification of living things/

• The Periodic Table

When two atoms are joined together they form

• Another atom

• A molecule

• an element