Chemical Reactions

Which of the following is a substance in science?

• water

• salt

• copper

• all of the above

A property of matter is best described as which of the following?

• a special form or job the matter performs or does

• the structure of the piece of matter

• a trait that describes the object or matter

• a piece of land owned by the piece of matter

Which of the following is an example of a chemical change?

• cutting a piece of paper

• building a LEGO model

• butter melting

• the Statue of Liberty oxidizing (turning green)

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a physical change?

• burning a piece of wood

• a rusty bike chain

• crushing a soda can

• a penny turning green (oxidizing)

Select ALL that apply.

Identify the ELEMENTS that make up substances.

• water (H2O)

• hydrogren (H)

• oxygen (O)

• iron (Fe)

• gold (Au)

Tags

NGSS.MS-PS1-1

An element is a natural substance that cannot be broken down by _______ __________.

• a chemical reaction

• a physical reaction

• a physical change

• an outside force

Tags

NGSS.MS-PS1-5

Select ALL that apply.

Identify the chemical properties listed below.

• bubbles (boiling)

• oxidizing

• burning

• cutting

• fireworks

Select ALL that apply.

Identify the physical properties from the list below.

• shredding paper

• iron rusting

• baking a cake

• breaking glass

• mixing pink and blue marbles

According to the image shown above, which state of matter has the greatest DENSITY?

• solid

• liquid

• gas

• none of the above

Describe what happens to a substance when it reaches its boiling point.

Tags

NGSS.MS-PS1-4