#5036 Daily Warm-Ups: Nonfiction Reading teacher Created Resources #5036 Daily Warm-Ups: Nonfiction Reading Warm-Up
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DAILY 6
8 Dangerous African Mammals ©Teacher Created Resources 49 #5036 Daily Warm-Ups: Nonfiction Reading Warm-Up Check Your Understanding / 4 Name ______________________________________________ 1. What is the most common gas in the atmosphere of Venus? a. oxygen c. carbon dioxide b. nitrogen d. argon 2. Which are the three brightest objects in our night sky? a. the sun, the moon, Mars c. Venus, the moon, Mars b. Mercury, Venus, the sun d. the moon, the sun, Venus 3. Why does the heat remain on Venus? a. It is held in by the carbon dioxide in the atmosphere. b. Gravity keeps the heat from escaping. c. It is very close to the sun. d. There are a lot of forest fires on Venus. 4. What would happen to astronauts landing on Venus? a. They would be crushed to bits by the pressure. b. They would be incinerated by the heat. c. They would be unable to breathe. d. all of the above Venus has the highest average temperature of any planet in the solar system. It reaches temperatures of 878°F. This is about eight to ten times as hot as Earth. Temperatures this high would melt lead and most other metals, not to mention people. The surface pressure of Venus is ninety times greater than Earth’s. No human could stand the pressure without being smashed flat. It would equal the pressure felt by a human standing under half a mile of ocean water on our planet. The atmosphere is about 96 percent carbon dioxide. There is no breathable air. Any human would be burned to ashes and crushed to fragments immediately. An early Russian space probe landed on Venus. It was destroyed by the pressure and heat within thirty minutes. Venus is the second planet in the solar system. Its average distance from the sun is about 67,000,000 miles. It is about a third closer than Earth’s 93,000,000 miles. Venus is hotter than Mercury, the closest planet to the sun. Venus’s carbon dioxide atmosphere traps heat and doesn’t allow it to escape. It acts like a greenhouse, which traps heat and doesn’t cool off. Because of this atmosphere, Venus is the brightest object in our sky, besides the moon and the sun. You might also get bored on Venus. A Venus day is equal to 243 Earth days. A Venus year is equal to 225 Earth days. Out of all the planets in the solar system, this is one planet you wouldn’t want to visit. Scientifically Speaking Download 10.24 Kb. Do'stlaringiz bilan baham: |
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