Physical Science Benchmark

Front

What is the atomic number of an atom with 6 protons?

Back

6

Front

What is a conductor?

Back

An object that allows a flow of current through it with very low resistance.

Front

Calculate the distance traveled by an astronaut moving at 400 m/s for 250 seconds.

Back

100,000 m

Front

Why are neutrons important in an atom?

Back

They hold the nucleus together.

Front

What is the center of the atom called?

Back

The nucleus.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the difference between an insulator and a conductor?

Back

An insulator resists the flow of electric current, while a conductor allows it.

Front

What is the mass of a proton compared to a neutron?

Back

Approximately equal; both have a mass of about 1 atomic mass unit (amu).

Front

What is the role of electrons in an atom?

Back

Electrons orbit the nucleus and are involved in chemical bonding.

Front

What is the formula to calculate distance?

Back

Distance = Speed × Time.