Unit 7 Astronomy

Why do the seasons change?

• The sun gets hotter.

• Earth is slightly tilted as it travels around the sun.

• The sun is tilted.

• Earth moves closer to its sun in its orbit.

Which is the name of our galaxy?

• the astroid belt

• our solar system

• the Andromeda Galaxy

• The Milky Way

Stars are _____.

• hot, near, and made of gas

• hot, distant, and made of gas

• hot, distant, and made of liquid

• cold, distant, and made of gas

Which are objects found in our solar system?

• comets

• asteroids

• meteoroids

• all of the above

During a solar eclipse, the moon moves between the sun and Earth and ________.

• blocks the sun's light from reaching Earth

• blocks Earth's light from reaching the sun

• blocks the sun's light from reaching the moon

• none of the above

Which is NOT true of gravity?

• It is a force.

• It keeps objects in orbit around the sun.

• It is stronger if the objects are farther away from each other.

• It keeps oxygen on Earth.

Which of these people was a famous astronomer who lived in the 1400/1500's and challenged the idea that the Earth was the center of the solar system?

• Galileo

• Nicolas Copernicus

• Alan Shepherd

• None of the above

Who was the first African-American woman to become an astronaut and travel into space?

• Copernicus

• Galileo

• Mae Jemison

• None of the above

Why was the Apollo 11 mission important?

• It orbited the earth.

• First spaceship to successfully take astronauts to the moon

• It launched the Hubble telescope.

• All of the above

What is a way that scientists study space?

• the Hubble telescope

• Sending space shuttles into space

• Sending probes into space

• all of the above