24/25 week 14 - NC Check-In Review for Physical Science

Front

How many elements are in C6H12O6?

Back

3

Tags

NGSS.MS-PS1-1

Front

What is the product of the reaction 2H2 + O2 -> ?

Back

2H2O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

If the mass of the reactants is 18g, what is the mass of the reactants?

Back

18g

Tags

NGSS.MS-PS1-5

Front

What happens to water molecules during the boiling process?

Back

They move faster and move farther apart as they absorb heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Which is an example of a renewable energy resource?

Back

biomass

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made of two or more elements chemically bonded together.

Front

What is the formula for calculating density?

Back

Density = Mass/Volume

Front

What is an example of a physical change?

Back

Melting of ice.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4