7th Grade Quarter 2 Science Review

Heat Transfer

100

The up and down movement of hot and cold air or water

What is convection?

200

Transfer of heat through waves

What is radiation?

300

The reason cooking pots have handles made of wood or plastic.

What is to prevent burns from conduction?

400

These types of materials impede (stop) the transfer of energy to protect you from danger.

What are insulators?

500

The two things happen to the particles when you add thermal energy.

What is Move faster AND get farther apart?

Phase Change

100

Gas to liquid

What is Condensation?

200

Liquid to a solid

What is freezing?

300

liquid to a gas

What is vaporization (evaporation)?

400

Solid to a gas

What is sublimation?

500

Gas to a solid

What is deposition?

States of Matter

100

Which state of matter has a definite shape and volume

What is a solid?

200

Which state of matter has a definite volume but not a definite shape?

What is a liquid?

300

Which state of matter does not have a definite shape or volume

What is a gas?

400

Which state of matter are particles moving the fastest?

What is gas?

500

Which state of matter are particles moving the slowest?

What is a solid?

Forces

100

When Michael is pushing Abby on the swing. Michael pushes with 50N of force to the right and Abby helps with 15N of force to the right what is the Net Force?

What is 65N to the right?

200

When a balanced force acts on an object at rest what happens.

What is it stays at rest?

300

Which force allows the moon to orbit Earth without physical contact?

What is gravity?

400

Which force slows things down?

What is friction?

500

Which of the following are Non-Contact (choose all that apply)

A: Gravity pulling downward

B: Friction between surfaces

C: Static electricity causing hair to stand on end

D: Magnetic force between two magnets

A: Gravity   C: Static    D: Magnetic

Motion

100

Formula for Newton's 2nd law

What is F=ma

200

Which of Newton's law is demonstrated: A car crashes head on and the driver continues moving forward.

What is Newton's 1st law?

300

According to Newton's 2nd law. If a mass weighs 10kg and acceleration is 5 m/s^2 what is the net force?

What is 50N?

400

Which law of motion the bird flaps its wings downward to fly upward?

What is Newton's 3rd law?

500

According to Newton's 3rd law. What will happen when I pull a rubber band backwards?

What is it will fly forward?