CBA 2 Review - 8th Grade Science- 2024/2025

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Define 'ecosystem'.

Back

An ecosystem is a community of living organisms interacting with their environment.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Tags

NGSS.MS-PS1-2

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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 law of conservation of mass?

Back

The law states that mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

Define 'force'.

Back

A force is a push or pull acting upon an object.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, commonly experienced as the force that pulls objects toward the Earth.

Tags

NGSS.MS-PS2-4

Front

What is an atom?

Back

An atom is the smallest unit of a chemical element, consisting of protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

Front

What is the difference between speed and velocity?

Back

Speed is the distance traveled per unit of time, while velocity is speed in a given direction.