Grade 4 Energy: Non-contact forces Unit review

Front

Which of the following is an example of a non-contact force? Friction, Gravity, Muscle force, Tension

Back

Gravity

Front

What scientific figure is associated with the laws of motion and is mentioned in the unit?

Back

Sir Isaac Newton

Front

Which activity would help students understand the concept of magnetic fields?

Back

Activity – will the magnets attract or repel?

Front

What is one of the harmful effects of magnets that is covered in the unit?

Back

Dangers of static electricity

Front

Which topic is NOT listed in the Alberta Science 2023 Curriculum – Grade 4 – Energy: Non-Contact Forces Unit? Options: How a compass works – magnetic field, Devices that use non-contact forces, Experiment – testing the force of gravity, Experiment – creating a vacuum

Back

Experiment – creating a vacuum

Front

What are non-contact forces?

Back

Forces that occur between objects that are not in direct contact

Front

Which of the following is a non-contact force that pulls objects toward the ground? Magnetic force, Friction, Gravity, Electric force

Back

Gravity

Front

What do magnetic materials contain?

Back

Iron, cobalt, or nickel

Front

What happens to the strength of non-contact forces as objects get farther apart?

Back

It decreases

Front

What is true about magnetic poles?

Back

Opposite magnetic poles attract each other