7th Grade Science Midterm Review

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which defines the element.

Front

What does AMU stand for?

Back

AMU stands for atomic mass unit.

Front

What is the SI Unit for distance?

Back

The SI Unit for distance is the meter.

Front

What is a fluid?

Back

A fluid is any substance that can flow.

Front

What is velocity?

Back

Velocity is the speed of an object in a specific direction.

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 acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is pressure?

Back

Pressure is the force applied per unit area.

Front

What is viscosity?

Back

Viscosity is a measure of a fluid's resistance to flow.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.