View a FREE sample

This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.

Multiple Choice Questions

1. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Fusion.
(b) Radiation.
(c) Combustion.
(d) Fission.

2. How does floating harness the power obtained by squeezing or stretching molecules?
(a) By gathering the individual electrons that are released.
(b) By energy "floating" through atomic fields and breaking the bonds to release energy.
(c) By squeezing an atom to split the proton and neutron.
(d) Through the form of upthrust.

3. What colors make up all light?
(a) Red, green, and blue.
(b) Red, green, and yellow.
(c) Green, blue, and yellow.
(d) Yellow, red, and blue.

4. What do machines that keep something cool do to heat?
(a) Remove it.
(b) Exchange it with cold material.
(c) Cause a change in velocity.
(d) Transpose it.

5. What is one component of a lever?
(a) A spring.
(b) A caliper.
(c) A screw.
(d) A straight edge.

Short Answer Questions

1. What is one thing an electrical current can measure?

2. What is the density of salt water compared to fresh water?

3. What pumps refrigerant out in an air conditioner?

4. What does the acronym SONAR stand for?

5. What does the picture of a mammoth pulling a merry-go-round illustrate?

(see the answer key)

This section contains 236 words (approx. 1 page at 300 words per page) View a FREE sample