CH 13 Solar System REVIEW
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- Mercury is the closest planet to what?
- the sun
- In what ways are comets similiar to asteroids?
- Both orbit the sun.
- Which body orbits a planet?
- a moon
- What causes a solar flare?
- an eruption on the sun's surface
- Scientists think the number of sunspots are affected by ________________.
- the temperature on Earth
- Which planet in the solar system has the most rings surrounding it?
- Saturn
- The part of the planet that points away from the sun is called the __________________.
- tail
- How do scientists think planets were formed?
- The planets formed from a cloud of gas and dust.
- The sun's core produces large amounts of heat and ______________.
- light
- In which way does a telescope change how objects look?
- It makes distant objects look nearer.
- One rotation of a planet is equal to ______________.
- a day
- Most of the sun's mass is made up of __________________ gas.
- hydrogen
- Which two gases make up most of Earth's atmosphere?
- oxygen and nitrogen
- A meteorite is a meteroid that has _________________.
- landed on Earth
- What type of information is most likely to be collected by a space probe?
- surface temperatures and atmospheres of planets
- One revolution of Earth takes _____________.
- 1 year
- Which feature can be seen only during an eclipse of the sun?
- the sun's corona
- The surface of Venus is ____________________.
- hotter than Earth's