Investigation 6 and 7 "Applying Heat"/"Just a Phase"

When a substance heats, will it expand or contract?

• expand

• contract

Tags

NGSS.MS-PS1-4

When a substance is heated or cooled which TWO things will change? (volume, density, mass)

• Volume and Mass

• Volume and Density

• Density and Mass

Tags

NGSS.MS-PS1-4

The way that a substance reacts to a process, such as heat, is typically called a __________of that substance.

• condition

• density

• property

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

When a substance becomes something new and the change can not be reversed, this is called a _____________.

• chemical change

• physical change

Tags

NGSS.MS-PS1-2

The substances that are being tested under heat or other conditions are called _______.

• reactants

• products

• quotients

Tags

NGSS.MS-PS1-5

The outcome or what is made from a reaction when substances under go heating or other processes can be called __________.

• reactants

• products

• quotients

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the two items listed is considered a chemical reaction: rusting, melting a chocolate bar, candle wax melting, baking a cake?

• melting chocolate bar AND candle wax melting

• rusting AND baking a cake

• candle wax melting AND baking a cake

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the two items listed is considered a physical change: shredding paper, baking a cake, frying an egg, orange juice popsicle?

• baking a cake AND shredding paper

• shredding paper AND frying an egg

• shredding paper AND orange juice popsicle

In our "Investigation 6.1 Lab", we heated copper carbonate. Originally it is a green powder. When heated it turns black and liquid like. After it cools, it remains a black powder. Would this be considered a chemical or physical change.

• chemical change

• physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

molecules are close together and barely move

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4