The Water Cycle
Goal: Learning about the water cycle
Click on http://www.mbgnet.net/fresh/cycle/index.htm.
Answer the following questions.
Define "water cycle".
What fraction of the earth’s surface is covered in
water?
3. What percentage of all the Earth’s water is in a form
that is useable to humans and land animals?
1.
2.
Click on http://www.mbgnet.net/fresh/cycle/concepts.htm.
Answer the following questions.
1.
2.
3.
4.
5.
Evaporation is the process where a liquid changes from
its __________ state to a ___________ state.
Why is evaporated water so clean?
Condensation occurs when a ____________ is changed
into a __________.
Condensation is the opposite of ____________.
When the ________________ and ___________________ are
right, the small droplets of water in clouds form
larger droplets and precipitation occurs.
Click on http://www.mbgnet.net/fresh/cycle/cycle.htm.
Answer the following questions.
Using the terms "evaporation", "condensation", and
"precipitation", explain the water cycle in your own
words.
2. What factor is most important in determining whether
water is a solid, liquid, or gas?
3. Is the amount of water on Earth always changing or is
it a constant amount?
1.
Atmosphere
Define the following:
Weather:
Atmosphere:
Ozone:
Goal to learn more about the Atmosphere
Click on
http://www.enchantedlearning.com/subjects/astronomy/planets/earth/Atmos
phere.shtml
1. Which four gases are most common in Earth's atmosphere? Give the
percentages.
2. What are the four main layers of the atmosphere?
3. Which layer is closest to space?
4. Which is the hottest layer?
5. Which is the coldest layer?
6. Why do you think the layers are often called a "Cozy Blanket Around
Earth."
Draw a picture labeling the layers of the atmosphere:
detail as possible such as:
Height of layer
Composition
What takes place there
Provide as much
Click on
http://www.bbc.co.uk/science/space/solarsystem/earth/solsticescience.sh
tml
7. If the Sun is to the right of the Earth picture, which season are we
(in the northern hemisphere) having?
8. The Earth is titled on its axis (like Mr. Dunn's globe). At what
angle is it tilted?
9. How long does it take for Earth to orbit around the Sun?
10. When the Earth orbits the Sun, is that rotation or revolution?
11. When are the solstices and equinoxes each year?
12. Name one thing that you enjoy doing outside during each of the
equinoxes and solstices.
Click on
http://www.windows2universe.org/earth/Atmosphere/exosphere.html
13. What and where is the exosphere?
Click on http://www.wisc-online.com/objects/ViewObject.aspx?ID=SCE304
14. Click on "Radiation." Click on "Add Sunlight." List three
examples of radiation.
15. Click on "Conduction." Click on "Light Burner." List four good
conductors.
16. Click on "Convection." Click on "Light Stove." List four examples
of convection.
Click on http://www.umich.edu/~gs265/society/greenhouse.htm
19. What is the Greenhouse Effect (describe how it works)?
Click on
http://www.dnr.state.wi.us/org/caer/ce/eek/earth/air/global.htm#gas
20. What are the four main greenhouse gases?
Weather Maps
Complete the following questions for Homework