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Third Grade (Grade 3) Physics Questions

You can create printable tests and worksheets from these Grade 3 Physics questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 3 Magnetism and Electricity
Which item would a magnet stick to?
  1. A metal chair leg
  2. A wooden desk
  3. A blanket
Grade 3 Waves and Sound
Every sound has a different                .
  1. name
  2. frequency
  3. color
Grade 3 Light and Optics
A black dog reflects what colors?
  1. All
  2. None
  3. Black
  4. Red
Grade 3 Forces and Motion
The boy pushes the door. The door moves.
Pushing Force 2
Are the forces acting on the door balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Heat Transfer
An insulator is an object that heat can move through easily (like metal).
  1. True
  2. False
Grade 3 Heat Transfer
A potholder, a wooden spoon, and a plastic spoon are good insulators.
  1. True
  2. False
Grade 3 Light and Optics
Refraction is the bending of light.
  1. True
  2. False
Grade 3 Magnetism and Electricity
Will the magnets repel or attract?

Bar Magnets S NBar Magnets N S
  1. repel
  2. attract
Grade 3 Light and Optics
White light is really
  1. all colors of light mixed.
  2. a mixture of yellow and white light.
  3. bright in the morning.
  4. a mixture of red and green light.
Grade 3 Magnetism and Electricity
Which are ways to reduce or use less energy? Select all that apply.
  1. Use a clothes dryer instead of a clothes line.
  2. Turn the TV off when you're not watching it.
  3. Carpool, ride your bike, or walk instead of taking a car.
  4. Turn the lights off when you leave a room.
  5. Leave water dripping from the faucet.
Grade 3 Energy and Momentum
Plants use energy from the Sun to make food. This is when light changes to                 energy.
  1. mechanical
  2. chemical
  3. electrical
Grade 3 Forces and Motion
An apple falls off a tree. The force of gravity pulls the apple down toward the ground.
Summer - Tree
Are the forces acting on the apple balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Magnetism and Electricity
A needle cannot be magnetized and made into a magnet.
  1. True
  2. False
Grade 3 Matter
A solid has a definite shape and takes up a definite amount of space.
  1. True
  2. False
Grade 3 Simple Machines
A wheelbarrow is a compound machine. It is made up of more than one simple machine.
Wheelbarrow
What type of simple machine are the handles of the wheelbarrow?
  1. lever
  2. wedge
  3. wheel and axle
Grade 3 Simple Machines
Sullivan uses the object shown to lift a bucket of water.
Fixed Pulley
Which type of simple machine is shown?
  1. lever
  2. pulley
  3. screw
Grade 3 Energy and Momentum
Energy of moving objects such as parts of machines like a car. It is called                 energy.
  1. mechanical
  2. electrical
  3. chemical
Grade 3 Waves and Sound
White light is a mixture of all colors.
  1. True
  2. False
Grade 3 Simple Machines

This question is a part of a group with common instructions. View group »

Denise made the table below for her science report. She needs to add a title to the table.
?
TypeDescription
Firstfulcrum in middle of arm
Secondload in middle of arm
Thirdeffort force in middle of arm

Which is the best title for Denise's table?
  1. How to Use a Lever
  2. Three Classes of Levers
  3. The Six Simple Machines
  4. Real World Examples of Levers
Grade 3 Simple Machines
Emma uses the stairs to get to the third floor of the building.
Stairs
What type of simple machine are the stairs?
  1. lever
  2. inclined plane
  3. wheel and axle
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