MMS Physical Science Fall Final 24-25

Front

What causes sodium and chlorine atoms to attract each other in a salt crystal?

Back

Sodium has a positive charge and chlorine has a negative charge.

Tags

NGSS.MS-PS2-5

Front

What does the momentum of an object depend on?

Back

The momentum of an object depends on its mass and its speed.

Tags

NGSS.MS-PS3-1

Front

In which unit is mass typically recorded in science?

Back

Grams.

Front

What unit system is commonly used by scientists?

Back

SI (International System of Units).

Front

What does it mean for an object to be accelerating?

Back

An object is said to be accelerating if it is speeding up, slowing down, or changing direction.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object, typically measured in grams or kilograms.

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 formula for calculating momentum?

Back

Momentum = mass × velocity.

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 the principle of conservation of mass?

Back

The principle states that mass cannot be created or destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5