Click on the single correct answer for each question.
1. A ski jumper at the Winter Olympics in Calgary loses his wristwatch just as he leaves the ramp. Where would you conclude that the watch would most likely land? (a) Just below the end of the ramp. (b) About halfway between the end of the ramp and where the jumper lands. (c) At about the same spot where the jumper lands. (d) Ahead of where the jumper lands. (e) Choices (a) and (b) are equally likely.
2. Which of these is most responsible for the changing of the seasons on Earth? (a) The tilt of the Earth's axis. (b) Earth is closer to the Sun at certain times of the year. (c) The Sun gets hotter at certain times of the year. (d) The rotation of the Earth.
3. Which of these forces is the weakest? (a) Nuclear force (b) Gravity (c) Electromagnetic
4. It requires more total energy to climb a steep hill than a gradually-sloped hill of the same height. (a) True (b) False
5. The atoms in our brains and bodies were produced in the interiors of stars. (a) True (b) False
6. If the Earth has the same total amount of carbon dioxide as Venus, why is such a small amount found in the atmosphere? (a) The statement is false--Venus and the Earth do not have the same percentage of carbon dioxide in the atmosphere. (b) The statement is false--the amount of carbon dioxide in the atmosphere of the earth is the same as for Venus. (c) The high temperature of Venus excites the carbon dioxide more than does the lower temperature of Earth. (d) The plants on Earth have decreased the amount of carbon dioxide to the low level it is at today. (e) The Earth's lower temperature allows the carbon dioxide to be held in the oceans and rocks.
7. One of the following stars was not in the sky when man's ape-like ancestors first walked on the Earth 5 million years ago. Which one? (a) Arcturus (Hokulea) (b) Betelgeuse (Kauluakoko) (c) Canopus (Ke Ali`i o Kona i ka Lewa) (d) Rigel (Puanakau) (e) Vega (Keoe) (f) Spica (Hikianalia)
8. What are comets mostly made of? (a) Rock (b) Ice (c) Fire (d) Gases
9. Why is the Earth less cratered than the Moon? (a) The Earth has more surface erosion. (b) The Moon is younger than the Earth. (c) The Earth's magnetic field deflects meteors. (d) The Earth has been "lucky".
10. Scientists have found life on Mars. (a) True (b) False