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Third Grade (Grade 3) Science Questions

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Grade 3 Matter
A state in which matter has a definite shape and volume is called                .
  1. solid
  2. liquid
  3. gas
Grade 3 Magnetism and Electricity
Which item is attracted by magnets?
  1. brick
  2. penny
  3. metal
  4. rubber
Grade 3 Conservation and Biodiversity
Species that are in danger of going extinct are called
  1. endangered.
  2. threatened.
  3. fossilized.
Grade 3 Energy and Momentum
A kind of fuel such as gas, coal, oil, matches, wood, and food. It is called                 energy.
  1. motion
  2. sound
  3. chemical
Grade 3 Evolution
To survive, a species must
  1. hide.
  2. adapt.
  3. jump.
Grade 3 Small Bodies and Dwarf Planets
What comes between the inner and outer planets?
  1. an asteroid belt
  2. the Milky Way
  3. the Sun
  4. Titan
Grade 3 Planetary Motion
The movement of an object around another planet is called                .
  1. rotation
  2. revolving
  3. gravity
  4. solar energy
Grade 3 Botany
To make their food, plants need energy from the
  1. air.
  2. Sun.
  3. soil.
  4. water.
Grade 3 Sun
Which object is located most closely to center of the solar system?
  1. Earth
  2. the Moon
  3. the Sun
  4. Venus
Grade 3 Lab Practices and Tools
What do you wear in the lab when you want to protect your eyes?
  1. Apron
  2. Goggles
  3. Closed toe shoes
  4. Gloves
Grade 3 Properties of Matter
Size and color are examples of                .
  1. volume
  2. properties
  3. matter
  4. mass
Grade 3 Energy and Momentum
Coal, wood, and oil are used to heat homes. This is when chemical energy changes to                 energy.
  1. sound
  2. heat
  3. light
Grade 3 Energy and Momentum
What kind of energy is used by a skateboarder to roll down a hill?
  1. light
  2. sound
  3. electrical
  4. mechanical
Grade 3 Properties of Matter
You can change a solid into a liquid by melting it.
  1. True
  2. False
Grade 3 Soil
Why is soil so important?
  1. Provides food and support for plants
  2. Eaten by animals
  3. Eaten by people
  4. Keeps Earth clean
Grade 3 Rocks
A rock is usually made up of one or more                .
  1. minerals
  2. sands
  3. fossils
  4. soils
Grade 3 Matter
How are liquids and solids different?
  1. A liquid doesn't change shape, but solids do.
  2. Solids don't have volume, but liquids do.
  3. A liquid takes the shape of its container. Solids don't change shape.
  4. Solids fill the space they are put in. Liquids only take the shape of the container they are put in.
Grade 3 Communities, Populations, and Ecosystems
Some animals need to build or find                 to protect them.
  1. rocks
  2. trees
  3. shelter
  4. air
Grade 3 Energy and Momentum
A form of energy that you can hear. It moves in waves through air or water. An example would be when something vibrates. This energy is called                .
  1. light
  2. sound
  3. matter
Grade 3 Communities, Populations, and Ecosystems
A place where living and nonliving things interact, such as forests and deserts is called a(n)
  1. ecosystem.
  2. population.
  3. community.
  4. habitat.
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