Earth & Space Part 2

What does a solar system contain?

• A group of objects in space that orbit around a central star

• Only stars and black holes

• Gas giants and ice giants only

• Only a single planet

What is a characteristic of an inner planet?

• They are located far from the sun.
• They have no atmosphere.
• They are primarily gas giants.
• They have a a large, solid core

Which of these is true about the size of the Sun?

• The Sun is the smallest star in the galaxy.
• The Sun is much larger than Earth.

• The Sun is about 500,000 kilometers in diameter.
• The Sun is approximately 2 million kilometers in diameter.

Which of these is true about stars and planets?

• Planets produce their own light; stars do not.
• Stars are made of solid materials; planets are gaseous.
• Planets can twinkle like stars in the night sky.
• A planet revolves around a star.

Which planets have rocky surfaces?

• Mercury, Earth, Venus, Saturn
• Mercury, Venus, Earth, Mars
• Jupiter, Saturn, Uranus, Neptune

What do the planets Saturn, Uranus, and Neptune have in common?

• They are all gas giants.
• They are the closest planets to the Sun.
• They all have rings.
• They are all terrestrial planets.

The color of a star tells us about their temperature.  What color stars are the hottest stars?

• Yellow stars
• Red stars
• Green stars

• Blue stars

Which of the following inventions has contributed to the study of space?

• Satellites

• Spacecrafts

• Telescopes

• Cameras

Which tool will be most useful for studying the solar system?

• Rockets
• Computers
• Telescope

• Microscopes

A scientist observes the changes in night and day and wonders what causes these changes.  Which part of the scientific method has the scientist completed?

• Hypothesis
• Experimentation
• Conclusion
• Observing and Questioning