Physics and Chemistry Quiz

As the amount of energy carried by a wave decreases, its wavelength increases.

• True

• False

In the visible light spectrum, red light has a greater frequency than violet light.

• True

• False

The unit for measuring the energy of a wave is Hertz.

• True

• False

In a chemical reaction, the products are found on the left side of the arrow.

• True

• False

Which precaution should you take when you see this symbol?

• do not look directly at the experiment

• wear goggles if you are doing the experiment

• wear goggles if you are performing or observing the experiment

• watch the teacher carefully and follow what he or she does

Which precaution should you take when you see this safety symbol?

• Wear heat-protective gloves

• Do not perform experiment in a warm room

• Do not use open flames while working with flammable materials

• When heating a test tube, point it away from yourself and others

Which scientist developed the model of the atom shown?

• Chadwick

• Thomson

• Rutherford

• Bohr

Which scientist described the existence of the neutron?

• Chadwick

• Thomson

• Rutherford

• Bohr

Which two are isotopes of one another?

• Atoms 1 & 2

• Atoms 2 & 3

• Atoms 1 & 3

• Atoms 1 & 4

Which two have the same mass?

• Atoms 1 & 2

• Atoms 2 & 4

• Atoms 1 & 4

• Atoms 2 & 3