Question: Choose your answer.

Which human activity has most negatively affected air quality?

OPTIONS:
- burning coal
- growing crops
- using solar energy cells
- constructing nuclear power plants
My Answer: burning coal

Question: Choose your answer.

During a presentation on astronomy, Professor Williams discussed various measurements in space. Which objects was she referring to when she talked about how astronomical units (AU) were determined?

OPTIONS:
- the Sun and Earth
- the Moon and Earth
- the inner and outer planets
- the Sun and the closest star
My Answer: the Sun and Earth

Question: Choose your answer.

Two identical lamps contain the same amount of different types of oil. They are allowed to burn until all the oil has been burned. Which measurement will best provide the total difference in chemical energy between the two oils?

OPTIONS:
- final weight of lamp
- original volume of oil
- time it took for lamps to use oil
- height of flame produced by lamp
My Answer: time it took for lamps to use oil

Question: Choose your answer.

A paper bag is ripped into pieces. Which of these BEST describes the pieces of the bag?

OPTIONS:
- Stronger than the whole bag
- Thicker than the whole bag
- Smaller than the whole bag
- Darker than the whole bag
My Answer:
Smaller than the whole bag