Download Science Home Learning for this Week Inner Planets Review

Science Home Learning for this Week
Inner Planets Review Questions
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
What is Mars’s atmosphere mostly composed of?
All the inner planets have an atmosphere except for?
Some regions of Mars have giant what?
The inner planets that experience a greenhouse effect are?
True or False: The inner planets are small and dense and have smooth surfaces.
True or False: Mercury rotates so slowly that its day is longer than its year.
True or False: The thick clouds on Venus are made up mostly of carbonic acid droplets.
True or False: Earth is unique in our solar system for having liquid mercury on its surface.
True or False: Oxygen makes up about 20% of Earth’s atmosphere.
True or False: Space ships have given scientists important information about Mercury, Venus, and Mars.
Outer Planets Review Questions
1.
All the outer planets have many _____, which range in number from 13 to greater than 60.
2.
A(n) ____________ is a thick disk of small particles of ice and rock.
3.
Because the 4 outer planets are so large, they are often called _________ _________.
4.
A few scientists believe that Saturn’s largest moon, _________, may support life.
5.
Uranus’s axis is titled at an angle of about ___________ degrees from the vertical.
6.
True or False: Temperatures decrease tremendously from the outer to inner layers of the gas giants.
7.
True or False: All the gas giants’ atmospheres are made up primarily of helium and oxygen.
8.
True or False: Space telescopes such as Cassini have revealed many details of the outer planets.
9.
True or False: Uranus is three times as far from the Sun as Saturn, so it is much colder.
10. True or False: Neptune’s blue color comes from methane in its atmosphere.
Small Solar System Objects Review Questions
1.
When a meteoroid enters Earth’s atmosphere, friction causes it to burn up and produce a streak of light called a(n) ___________.
2.
A chunk of ice and dust whose orbit is usually a long, narrow ellipse is a(n) _____________.
3.
If a meteoroid hits Earth’s surface, it is called a(n) _____________.
4.
A chunk of rock or dust in space that usually comes from a comet or an asteroid is called a(n) _____________.
5.
Clouds of gas and dust on a comet form a fuzzy outer layer called a(n) _____________.
6. Pluto was recently reclassified as a(n) ___________________________.