Science Benchmark Test Review

Front

What is magnetism?

Back

Magnetism is a force of attraction or repulsion that occurs between two magnetic objects.

Front

How can we visualize magnetic fields?

Back

Magnetic fields are invisible, but one common way to investigate them is to use iron filings.

Front

What is the relationship between electricity and magnetic fields?

Back

Electricity always creates a magnetic field.

Front

How can you make an electromagnet stronger?

Back

You can make an electromagnet stronger by adding more wire coils and/or batteries.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What are the two types of magnetic forces?

Back

The two types of magnetic forces are attraction and repulsion.

Front

What materials are typically used to demonstrate magnetism?

Back

Iron is commonly used to demonstrate magnetism.

Front

What happens to a magnetic field when electricity is turned off?

Back

When electricity is turned off, the magnetic field disappears.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What is the role of wire coils in an electromagnet?

Back

Wire coils increase the strength of the magnetic field when electricity flows through them.