The Solar System Unit D Chapter 1
Name the outer planets
Describe the 4 inner planets Small and rocky
Name 4 things orbiting the sun. Planets, comets, moons, asteroids
Space rocks are also called __________. asteroids
Mercury Venus Earth Mars Name the 4 inner planets. Mercury Venus Earth Mars
Path a planet takes around the Sun What is an orbit? Path a planet takes around the Sun
How many planets are in our solar system? Eight
What is a space probe? A robotic vehicle used in space
What are comets made of? Ice and dust
What was the program called that landed astronauts on the moon? Apollo
What does solstice mean? Shortest and longest hours of daylight.
What is a satellite? An object that orbits another object.
The Earth spins or _____________ on its axis. rotates
Planets and their moons orbit the ______. sun
What was the Mercury program? 1st program where the United States sent humans into space
When would an eclipse occur? When one object passes in front of another.
Who was the first person to use a telescope? Galileo
What was the 1st artificial satellite? Sputnik
Equal hours of daylight and darkness are called an ______________ equinox
How has technology evolved in the study of space How has technology evolved in the study of space? Name the 4 items used to study space. Telescope, satellite, space probe, space shuttle
The Earth rotates on its ________ axis
What is a telescope used for? To magnify distant objects