8th Science STAAR Review

Front

What is Newton's First Law?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.

Front

What does it mean if a material is malleable?

Back

It means the material can be easily shaped or bent, typically referring to metals.

Front

What is the unit used to measure force?

Back

Newton (N) is the unit used to measure force.

Front

What is the unit for acceleration?

Back

The unit for acceleration is meters per second squared (m/s²).

Front

What is a subduction zone?

Back

A subduction zone is formed when a more dense tectonic plate sinks below a less dense plate.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Front

What is the formula for calculating force?

Back

Force (F) = mass (m) × acceleration (a) or F = ma.

Tags

NGSS.MS-PS2-2

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Tags

NGSS.MS-PS1-4

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5