NGSS review

Front

What is a longitudinal wave?

Back

A wave in which the movement of matter is parallel to the direction of energy transfer.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is an example of a physical property?

Back

State of matter (solid, liquid, gas).

Tags

NGSS.MS-PS1-4

Front

What indicates a chemical reaction has occurred?

Back

Formation of a gas, change in color, or production of heat.

Tags

NGSS.MS-PS1-2

Front

How can you increase the strength of an electromagnet?

Back

By increasing the number of coils around the nail, increasing the number of batteries, or making the core bigger.

Tags

NGSS.MS-PS2-3

Front

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

Back

A physical change does not alter the chemical composition, while a chemical change does.

Front

What is an example of a chemical change?

Back

Rusting of iron.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is flammability?

Back

The ability of a substance to catch fire and burn.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Tags

NGSS.MS-PS1-5

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