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Third Grade (Grade 3) Physics Questions

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Grade 3 Matter
Which would cause liquid water to change to a solid?
  1. warming
  2. heating
  3. freezing
  4. dripping
Grade 3 Light and Optics
Light waves travel in a straight line.
  1. True
  2. False
Grade 3 Simple Machines

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

A screw is actually another simple machine. Which one?
  1. lever
  2. wheel and axle
  3. inclined plane
  4. pulley
Grade 3 Forces and Motion
Force that works against the movement of two objects is called                .
  1. friction
  2. solar
  3. mixing
  4. burning
Grade 3 Forces and Motion
A boy kicks a soccer ball. The ball rolls away from him.
Pushing Force 4
Are the forces acting on the ball balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Matter
What state of matter has a definite volume, but no definite shape?
  1. gas
  2. solid
  3. liquid
Grade 3 Energy and Momentum
A form of energy that you can hear. An example comes from particles that vibrate. Sound moves in waves through air or water.
  1. light
  2. sound
  3. heat
Grade 3 Matter
How are gases different from solids and liquids?
  1. Gases have a definite volume, but solids and liquids don't.
  2. Gases and liquids have no definite volume, but solids do.
  3. Gases and liquids have a definite volume, but solids don't.
  4. Gases gave no definite volume, but solids and liquids do.
Grade 3 Forces and Motion
What affects the distance an object travels?
  1. the amount of force used
  2. how long it takes to travel
  3. what time it is
Grade 3 Light and Optics
What is it called when light bounces off an object?
  1. reflection
  2. refraction
  3. absorption
  4. shadowing
Grade 3 Magnetism and Electricity
As shown, the magnets will repel each other.
U Magnets LeftU Magnets Right
  1. True
  2. False
Grade 3 Forces and Motion
                can either be a push or a pull.
  1. Friction
  2. Force
  3. Work
  4. Matter
Grade 3 Light and Optics
What is a dark area made when an object blocks light between a light source and a surface?
  1. reflection
  2. refract
  3. absorb
  4. shadow
Grade 3 Heat Transfer
Scientists use which unit to measure temperature?
  1. Fahrenheit
  2. Celsius
  3. Thermometer
Grade 3 Forces and Motion
The woman pushes the shopping cart. The cart rolls forward.
Pushing Force 3
Are the forces acting on the cart balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Heat Transfer
The energy from the Sun is taken in by the body and changed to                 energy.
  1. heat
  2. light
  3. sound
  4. internal
Grade 3 Forces and Motion
How do you know if an object has changed position?
  1. It is not visible anymore.
  2. It looks bigger.
  3. It is farther or closer from a reference point.
  4. It is on top of a reference point.
Grade 3 Energy and Momentum
A light bulb is an example of how electrical energy changes into                 energy. This is an example of how a wire in the bulb gets so hot that it glows brightly.
  1. heat
  2. light
  3. sound
Grade 3 Magnetism and Electricity
A compass needle is really a                .
  1. wire
  2. toy
  3. sewing needle
  4. magnet
Grade 3 Forces and Motion
The boy is pulling on a heavy wagon. The wagon does not move.
Pulling Force 3
Are the forces acting on the wagon balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
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