Q: Which is an example of conduction? OPTIONS:
- a space heater turned on
- water boiling on the stove
- sunlight shining through the window
- a metal spoon warming in a pot of hot soup
A: a metal spoon warming in a pot of hot soup

The male insects in a population are treated to prevent sperm production. Would this reduce this insect population?
OPTIONS:
- No, because the insects would still mate.
- No, because it would not change the offspring mutation rate.
- Yes, because it would sharply decrease the reproduction rate.
- Yes, because the males would die.

Yes, because it would sharply decrease the reproduction rate.

Q: A pot of cold water was heated on a stove until the water boiled. Which of the following best explains why the water was able to boil? ---- OPTIONS:
- The hot stove absorbed cold from the pot.
- The cold water absorbed heat from the pot.
- The hot stove gave off heat to the surrounding air.
- The cold water gave off cold to the surrounding air.

A: The cold water absorbed heat from the pot.

What is the smallest particle of the element gold (Au) that can still be classified as gold?
===
OPTIONS:
- atom
- molecule
- neutron
- proton

atom

Question:
Light travels fastest through which of the following?
OPTIONS:
- air
- glass
- water
- a vacuum
Answer:
a vacuum

Q: All rocks are composed of ---- OPTIONS:
- fossils
- cells
- metals
- minerals
A: minerals