| 1. . |
A golf club strikes a golf ball. The ball travels through the air as shown.
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| A. | I only | ||
| B. | II only | ||
| C. | III only | ||
| D. | I and II only | ||
| E. | I, II and III | ||
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| 3. | The diagram shows the forces acting on a skydiver as he falls through the air. When air resistance balances the weight of the skydiver,
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| A. | the skydiver will stop falling downwards | ||
| B. | the skydiver will move downwards at a steady speed | ||
| C. | the skydiver will move upwards | ||
| D. | the skydiver will speed up | ||
| E. | the skydiver will slow down | ||
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| 4. . |
The Earth’s pull on an object is called | |
| A. | friction | |
| B. | mass | |
| C. | power | |
| D. | acceleration | |
| E. | weight | |
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| 5. | A student throws a ball at 3 metres per second in the direction shown. The landing distance would be increased by
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| A. | increasing the mass of the ball | ||
| B. | increasing the speed of the throw of the ball | ||
| C. | increasing the weight of the ball | ||
| D. | decreasing the force of the throw | ||
| E. | decreasing the speed of the throw of the ball. | ||
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| 6. . |
Which of these would be the best way to prove that a pine stick is more flexible than an oak stick? | ||
| A. |
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| B. |
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| C. |
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| D. |
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| 7. | According to this chart, which planet will most likely have the highest temperatures?
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| A. | Earth | ||
| B. | Mars | ||
| C. | Mercury | ||
| D. | Venus | ||
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| 8. . |
The Earth is very different from other planets in the solar system because it has the most — | |
| A. | solid rock | |
| B. | volcanoes | |
| C. | liquid water | |
| D. | high winds | |
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| 9. | The diagram below shows a spinning water sprinkler. Water comes through a hose and is sprayed by the sprinkler. Which principle best explains why the sprinkler spins?
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| A. | Energy is released when water condenses. | ||
| B. | Solid substances are usually more dense than liquid substances. | ||
| C. | Every action has an equal and opposite reaction. | ||
| D. | Most substances expand when heated and contract when cooled. | ||
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| 10. | The diagrams below illustrate two blocks composed of different materials. If Block A is located on the Moon and Block B is located on Earth, what property do these two blocks have in common?
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| A. | They have the same mass | ||
| B. | They have the same weight | ||
| C. | They have the same volume | ||
| D. | They have the same surface area | ||
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| 11. . |
Which diagram shows balanced forces acting on a box? | ||
| A. |
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| B. |
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| C. |
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| D. |
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| E. |
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| 12. | The diagrams show forces acting on moving objects. Which object is moving at constant speed? | ||
| A. |
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| B. |
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| C. |
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| D. |
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| 13. | A scale model of the planet Mercury is shown. Based on the scale, which of the following is the most accurate diameter of Mercury? (Note: you do not need a ruler to answer this question!)
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| A. | 1,000 km | ||
| B. | 5,000 km | ||
| C. | 50,000 km | ||
| D. | 500,000 km | ||
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| 14. | Earth is different from the other planets in our solar system because it — | |
| A. | orbits a star | |
| B. | has collided with meteorites | |
| C. | has oceans and lakes | |
| D. | makes up the majority of the mass of our solar system | |
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| 15. | Venus, the moon, Mars, and the sun are all visible in our sky. All but one of these reflect light from another source. Which of the following produces its own light? | |
| A. | Venus | |
| B. | The moon | |
| C. | Mars | |
| D. | The sun | |
