Matter Unit 1 Day 2 Review

Front

What is a closed system in terms of energy and matter?

Back

A closed system is one where energy and matter are prevented from leaving, meaning the weight will not change, although the matter might.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Front

What is a chemical change?

Back

A chemical change is a process where a substance transforms into a different substance, often involving a change in color, temperature, or the release of gas, as seen when a green powder is heated and turns into a black solid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What does temperature measure?

Back

Temperature measures how hot or cold something is.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is an open system?

Back

An open system is one where energy and matter can freely flow in and out, resulting in a change in weight.

Tags

NGSS.MS-LS2-3

Front

What is energy?

Back

Energy is the ability to do work, which involves how things change and move.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the difference between a closed system and an open system?

Back

A closed system prevents the exchange of matter and energy with its surroundings, while an open system allows both to flow freely.

Front

Can matter change in a closed system?

Back

Yes, while the total weight remains constant, the form of matter can change in a closed system.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Front

What are some indicators of a chemical change?

Back

Indicators of a chemical change include color change, gas production, temperature change, and the formation of a precipitate.

Tags

NGSS.MS-PS1-2

Front

How does energy relate to changes in matter?

Back

Energy is required to cause changes in matter, such as changes in state, temperature, or chemical composition.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the significance of weight in closed and open systems?

Back

In a closed system, the weight remains constant despite changes in matter, while in an open system, the weight can change due to the exchange of matter.