HSA Physical Science 2

Question 1

Which form of energy is stored in a stretched rubber band?

Accepted Answer

Elastic potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Chemical energy

Question 2

A wave with a higher frequency will have:

Accepted Answer

A shorter wavelength

Answer

A longer wavelength

Answer

Greater amplitude

Answer

Slower speed

Question 3

When you mix baking soda and vinegar together, bubbles form and the temperature drops. This is most likely a:

Accepted Answer

Chemical change

Answer

Physical change

Answer

Change of state

Answer

Nuclear reaction

Question 4

Which simple machine is a wheel with a rope wrapped around it used to lift heavy objects?

Accepted Answer

Pulley

Answer

Lever

Answer

Inclined plane

Answer

Wedge

Question 5

Which of the following correctly describes the Law of Conservation of Energy?

Accepted Answer

Energy cannot be created or destroyed, only transformed

Answer

Energy can be created from nothing

Answer

Energy can be destroyed when used

Answer

Energy always increases in a system

Question 6

Light travels from air into water and bends. This bending of light is called:

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Absorption

Question 7

Which of the following objects has the greatest gravitational potential energy?

Accepted Answer

A book on a shelf 2 meters high

Answer

A book on the floor

Answer

A book on a desk 1 meter high

Answer

A book being carried at 1.5 meters