Week 18 Practice: Intro to Magnetism

Front

What is the term for the attraction between opposite poles of a magnet?

Back

Attraction

Front

What happens to like poles of a magnet?

Back

They repel each other.

Front

What are the two main components that make up the Earth's Inner Core?

Back

Iron and nickel.

Front

What is the term for a push or pull on an object?

Back

Force

Front

What type of evidence includes specific data, numbers, or qualitative descriptions?

Back

Evidence

Front

What is the term for the reasoning that connects evidence to a claim?

Back

Reasoning

Front

What is the magnetic property of materials that can be attracted to magnets?

Back

Magnetism

Front

What is the term for the area around a magnet where magnetic forces can be felt?

Back

Magnetic field

Front

What is the difference between a permanent magnet and a temporary magnet?

Back

A permanent magnet retains its magnetism, while a temporary magnet only exhibits magnetism in the presence of a magnetic field.

Front

What is the principle that explains why the Earth acts like a giant magnet?

Back

Earth's magnetic field is generated by the movement of molten iron in its outer core.