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4. On which planet is there a large amount of the material used in car batteries to be found?
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5. Why is the maximum temperature on Mars much higher than that on Neptune?
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6. On which other body besides Earth in our solar system have people walked?
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7. Why is Mars sometimes called the Red Planet?
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8. Why is life as we know it possible on Earth?
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9. Radio signals take more than an hour to reach the earth from Saturn. What dangers could this hold for spacecraft undertaking exploration?
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TASK 6: TRANSLATE FROM TABLE TO GRAPH
Show two of the columns of information below by means of graphs. Use columnar, circular or linear graphs.
Planet | Distance from the sun in millions of kilometres | Radius in km | Number of moons | Average speed in km per second |
M ercury | 58 | 4 878 | 0 | 48 |
V enus | 108 | 12 104 | 0 | 35 |
Earth | 150 | 12 756 | 1 | 30 |
M ars | 228 | 6 794 | 2 | 24 |
J upiter | 778 | 142 800 | 16 | 13 |
S aturn | 1 427 | 120 000 | 17 | 10 |
U ranus | 2 870 | 52 000 | 15 | 7 |
N eptune | 4 497 | 48 000 | 2 | 5 |
P luto | 5 900 | 2 400 | 1 | 5 |
Criteria for Assessing Graphs | 1. | 2. | 3. | 4. |
1. Heading | ||||
2. Description of both axes | ||||
3. Scale correctly shown | ||||
4. Co-ordinates correctly shown | ||||
5. Completeness | ||||
6. Neatness and care taken |
Comment:
TASK 7
Use the information in the tables to make deductions and to answer the following questions:
1. Which two planets are the closest together?
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2. What is the ideal distance from the sun for human survival?
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3. Which planet has a radius about twice that of Pluto?
4. Which two planets besides Earth could possibly be a home for humans?
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5. Has the distance from the sun any influence on the average speed of a planet? Which rule could you make for this?
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6. Give a possible explanation for this.
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