5 Written Questions

1. a satellite launched in 1957 by the Russian Soviets. It was twice the size of a soccer ball which carried instruments to measure the density and temperature of Earth's upper atmosphere.
2. launched in 1990 - it produces images five times as sharp as those from any telescope on Earth.
3. an astronomer who believed that planets had elliptical (oval) shaped orbits instead of circular.
4. balls of ice and rock that circle the sun from two regions beyond the orbit of Pluto, They have a solid frozen core, but as they near the sun their cores begin to melt forming clouds of gas which energy from the sun pushed into long tails.
5. chunks of rock that have been described as looking like giant potatoes in space. Some scientists think they were meant to be planets.

5 Matching Questions

1. The outer planets are mostly made of ______
2. Neil Armstrong
3. Gabileo
4. What three things do scientists use to study objects in the solar system and beyond?
5. How old would you be if you lived on Mercury?

1. a 40
2. b telescopes, satellites, space probes
3. c Italian scientist who was probably the first to use the telescope to observe the sky.
4. d gases
5. e in 1969 he was he first person to walk on the moon or any other body in space

5 Multiple Choice Questions

1. to land people on the moon so that we could learn more about the moon's characteristics
   1. Name the 6 jovian planets:
   2. What was the purpose of Project Apollo?
   3. Name the four terrestrial planets:
   4. The 3rd Law of Motion states...
2. landed 12 humans on the moon between 1969 and 1972. They set up experiments and brought back rock samples. Their work helped scientist learn more about the moon.
   1. Spatnik I
   2. Apollo II
   3. asteroids
   4. Gabileo
3. the measure of the Earth's distance from the sun (93 million miles) Earth is therefore 1AU from the sun.
   1. asteroid belt
   2. Spatnik I
   3. asteroids
   4. Astronomical Unit (AU)
4. English scientist who used a modern telescope to observe the sky. He is also known for the 3rd Law of Motion.
   1. asteroid belt
   2. Sir Isaac Newton
   3. planets
   4. outer planets
5. "for every action there is an opposite and equal reaction"
   1. Neil Armstrong
   2. The 3rd Law of Motion states...
   3. Sir Isaac Newton
   4. Name the 6 jovian planets:

5 True/False Questions

1. planets → large, round bodies that revolve around a star. Earth is one of them.

   True        False

2. inner planets → known as terrestrial planets because they are closest to the sun.

   True        False

3. Copernicus → chunks of rock that have been described as looking like giant potatoes in space. Some scientists think they were meant to be planets.

   True        False

4. Name the four terrestrial planets: → Mecury-Venus-Earth-Mars

   True        False

5. outer planets → known as terrestrial planets because they are closest to the sun.

   True        False