6th Grade 2nd Benchmark Review

Front

What is the major element represented by the letter W in living matter?

Back

Oxygen

Front

How is a compound represented?

Back

Formula

Tags

NGSS.MS-PS1-1

Front

What can you infer about mold spore growth with temperature changes?

Back

Mold spores grow best at higher temperature.

Tags

NGSS.MS-LS1-5

Front

Which of the following is an example of a compound? OH, Si, Ca, He?

Back

OH

Tags

NGSS.MS-PS1-1

Front

What does the equation 4Fe + 3O2 + 6H2O → 4Fe(OH)3 represent?

Back

Chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the definition of a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-2

Front

What is the symbol for Nitrogen?

Back

N

Front

What is the symbol for Hydrogen?

Back

H

Front

What is the symbol for Carbon?

Back

C