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Fourth Grade (Grade 4) Science Questions

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Grade 4 Magnetism and Electricity
Cause:
The buildup of electrical charges on an object is called static electricity.

Effect:
Grade 4 Energy and Momentum
Cause:
A(n) electromagnet is used to power an electric motor.

Effect:
Grade 4 Environmental Science
power that is produced by capturing the energy of flowing water             hydropower             
Grade 4 Communities, Populations, and Ecosystems
What can cause rapid changes in an ecosystem? List at least two.
Grade 4 Waves and Sound
What happens when you scratch the end of a ruler when placed at another persons ear?
Grade 4 Cell Structure and Function
A            membrane            is a cell's thin outer covering; found beneath the cell wall in plants.
Grade 4 Respiration, Digestion, and Excretion
The respiratory system pulls oxygen into the body and takes             carbon                          dioxide              out.
Grade 4 Waves and Sound
What is transparent?
Grade 4 Biomes
Describe 3 biomes:
Grade 4 Waves and Sound
What is translucent?
Grade 4 Microbiology
Name one producer microorganism:         algae        
Grade 4 Magnetism and Electricity
                     Static electricity                     is formed when an electrical charge builds up.
Grade 4 Geomorphology
A            landform           is a natural feature on Earth's surface.
Grade 4 Magnetism and Electricity
Current passes easily through a                      but doesn't pass easily through an                     .
Grade 4 Oceanography and Hydrology
What causes water to change from a vapor to a liquid, or a liquid to a solid?
Grade 4 Atmosphere
The condition of the air at a certain place and time is called                .
  1. climate
  2. weather
  3. heat wave
Grade 4 Energy and Momentum
When an object loses mechanical energy, it loses weight or decreases in pounds.
  1. True
  2. False
Grade 4 Magnetism and Electricity
How does a fuse box and a circuit breaker work together?
Grade 4 Magnetism and Electricity
           Friction           makes an electrical charge build up.
Grade 4 Magnetism and Electricity
                 electromagnets                 are magnets that can be turned off and on.
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