JEOPARDY!

Vocabulary 1 Vocabulary 2 Changes Properties States of Matter 5 pt Eleanor M. Savko Vocabulary 2 Changes 12/3/2018 Properties States of Matter 5 pt 5 pt 5 pt 5 pt 5 pt 5 pt 10 pt 10 pt 10 pt 10 pt 10 pt 15 pt 15 pt 15 pt 15 pt 15 pt 20 pt 20 pt 20 pt 20 pt 20 pt 25 pt 25 pt 25 pt 25 pt 25 pt

The amount of matter in an object.

Mass

Anything that has mass and takes up space.

matter

The process of changing from a solid to a liquid.

melting

Matter that does NOT have a definite shape or volume.

gas

The process of a liquid changing to a gas when it reaches a high temperature.

boiling

Matter that has a definite volume but NOT a definite shape.

liquid

These are tiny pieces that make up matter… also known as atoms.

particles

This is a type of matter. It can be a liquid, a solid, or a gas.

substance

These are changes that result in new substances

Chemical changes

The changing of a substance from a gas to a liquid.

Condensation

Two or more substances that are combined without being changed is called _____________.

mixture

What kind of change is sharpening a pencil?

physical

What kind of change is bread becoming toast?

chemical

What kind of change is a candle burning?

Wax melting is physical. The wick being burned is chemical. BOTH!!! Wax melting is physical. The wick being burned is chemical.

What type of change is eating?

BOTH!!! Chewing is physical. Digestion is chemical.

Describe a physical property of water.

Examples: wet cold liquid clear

Describe a chemical property of water.

It is made of hydrogen and oxygen. Examples: It is made of hydrogen and oxygen. Salt dissolves in it.

Which of the following is a physical property? Salt is a compound. Salt is made up of tiny grains.

B! Physical properties describe a substance.

Which of the following is a chemical property? Baking powder is a fine powder. Baking powder reacts with vinegar.

B! Chemical properties tell us what a substance is made of and how a substance reacts with other substances

What is the term used to describe the characteristics of a substance that can be observed or measured without changing the substance?

Physical properties

Jack heated a pot of water until it became water vapor Jack heated a pot of water until it became water vapor. What term identifies this change?

boiling

Sally heated her chocolate bar until it became a liquid Sally heated her chocolate bar until it became a liquid. What term identifies this change?

melting

In which state of matter are the molecules close together and barely vibrating?

solid

In which state of matter are the molecules the most spread apart, bouncing around everywhere quickly?

gas

Why is a change of state a physical change?

Because it is still the same type of matter with the same molecules Because it is still the same type of matter with the same molecules. In order for a change to be chemical, the molecules have to change to create a new substance.

What is the difference between mass and weight? *Bonus* What is the difference between mass and weight?

Mass is always the same, no matter where you are Mass is always the same, no matter where you are. Weight can change, depending what planet you are on because weight depends on the gravitational pull on an object.