Name: ___________________________________________________ Date: ______________ Period: _______
The Water Cycle Directions: Visit the web site below and answer the following questions. http://www.teachersdomain.org/resource/ess05.sci.ess.watcyc.hydrocycle/ Click “VIEW” to start the internet lesson 1) List three examples of surface water. a.
_________________________
b. _________________________
c. _________________________
2) After precipitation falls to the surface, it will do 1 of 2 things. List them both. a.
_____________________________________________________________________________________________
b.
_____________________________________________________________________________________________
3) List the 5 steps of the water cycle. a.
____________________________________
d.
____________________________________
b.
____________________________________
e.
____________________________________
c.
____________________________________
Click “NEXT: CONDENSATION” 4) Define CONDENSATION. ______________________________________________________________________________ ____________________________________________________________________________________________________ 5) Explain why a cold soda can will appear to “sweat”. __________________________________________________________ ____________________________________________________________________________________________________ Click “NEXT: PRECIPITATION” 6) Define PRECIPITATION. ______________________________________________________________________________ ____________________________________________________________________________________________________ 7) When does precipitation begin? __________________________________________________________________________ ____________________________________________________________________________________________________ Click “NEXT: INFILTRATION” 8) Define INFILTRATION. _______________________________________________________________________________ ____________________________________________________________________________________________________ 9) What are four reasons that will determine how much water infiltrates the soil? a.
_________________________________________________________________________________________________
b.
_________________________________________________________________________________________________
c.
_________________________________________________________________________________________________
d.
_________________________________________________________________________________________________
Click “NEXT: RUNOFF” 10) Define RUNOFF: _____________________________________________________________________________________ 11) List two examples: ____________________________________________________________________________________ Click “NEXT: TRANSPIRATION” 12) Define EVAPOTRANSPIRATION. _______________________________________________________________________ ____________________________________________________________________________________________________ 13) What is evaporation? ____________________________________________________________________________________________________
14) What is transpiration? ____________________________________________________________________________________________________ 15) How does transpiration make water cleaner? ________________________________________________________________ ____________________________________________________________________________________________________
16) From what you learned, fill in the steps with the correct stages of the water cycle. Use the following choices. • Transpiration •
Condensation,
•
Evaporation
•
Runoff
•
Infiltration,
•
Precipitation
Name: _________________________________________________ Date: ______________ Period: ______
Carbon Cycle Internet Lesson Answer each question by visiting the website below. http://bcs.whfreeman.com/thelifewire/content/chp58/5802002.html Introduction 1. What two things make up an ecosystem? a. _______________________________
b. _______________________________
2. What do ecosystems need a constant supply of? __________________________________________ 3. In what form is most energy lost as? ____________________________________________________ 4. Define BIOGEOCHEMICAL CYCLE. _________________________________________________ _________________________________________________________________________________ 5. What are objects that give off substances called? __________________________________________ 6. What are objects that take in substances called? ___________________________________________ Click “Animation” and the click “Step-Through” (1 of 9) 7. Name 4 objects that cycle Carbon? a. _______________________________
c. _______________________________
b. _______________________________
d. _______________________________
8. How do humans release carbon into the atmosphere? ______________________________________ Click PLAY and then click CONTINUE (2 of 9) 9. Which two processes release CO2? a. _______________________________
b. _______________________________
10. How is CO2 taken into plants? ________________________________________________________ Click PLAY and then click CONTINUE (3 of 9) 11. Why are oceans considered a carbon sink? _______________________________________________ Click PLAY and then click CONTINUE (4 of 9) 12. Which organisms perform photosynthesis in the oceans? ___________________________________ 13. Carbon exits the food web by which two processes? a. _______________________________
b. _______________________________
Click PLAY and then click CONTINUE (5 of 9) 14. Where is the most abundant amount of carbon found near earth’s surface? _____________________ Click PLAY and then click CONTINUE (6 of 9) 15. In the oceans, when does carbon exit the carbon cycle? _____________________________________
Click PLAY and then click CONTINUE (7 of 9) 16. Name the types of fossil fuels. a. _______________________________
c. _______________________________
b. _______________________________
d. _______________________________
Click PLAY and then click CONTINUE (8 of 9) 17. Forest fires are a type of ___________________________. Click PLAY and then click CONTINUE (9 of 9) 18. Which is greater? a. The amount of carbon entering the atmosphere. b. The amount of carbon exiting the atmosphere. 19. Why are the consequences of this imbalance? _________________________________________________________________________________ Click CONCLUSION 20. Read this conclusion and write don 5 main idea points that you feel are important. a. ___________________________________________________________________________ b. ___________________________________________________________________________ c. ___________________________________________________________________________ d. ___________________________________________________________________________ e. ___________________________________________________________________________ Click QUIZ Quiz #1: Which of the following carbon reservoirs is the largest? a. Sand and detritus b. Terrestrial organisms c. The atmosphere d. Ocean waters Quiz #2: Which organisms are considered the foundation of the oceanic food web by taking in carbon dioxide? a. Fish b. Phytoplankton c. Bacteria Quiz #3: Overall, more CO2 enters the atmosphere than returns to Earth. a. True b. False
Name: __________________________________________________ Date: _____________ Period: ______
Nitrogen Cycle Internet Lesson
Directions: Answer the following questions by visiting the website below http://bcs.whfreeman.com/thelifewire/content/chp58/5802004.html Introduction 1. Name 3 molecules that require nitrogen. a. ____________________
b. ____________________
c. ____________________
2. Where is most nitrogen on Earth found? ________________________________________________ 3. What percentage of the atmosphere is nitrogen? __________________________________________ 4. Which type of organisms can use nitrogen in the atmosphere? _______________________________ Click ANIMATION and then click STEP-THROUGH 1 of 5 5. Which type of bond holds N2 together? _________________________________________________ Click PLAY Click Continue 2 of 5 6. What are bacteria called that use N2? ___________________________________________________ 7. First, N2 is converted in ___________________. 8. Then, NH4 is converted into ___________ and ___________. 9. Which organisms can use NO2 and NO3? _______________________________________________ 10. How do animals obtain their nitrogen? __________________________________________________ Click PLAY Click CONTINUE 3 of 5 11. In which products do humans convert N2 into NH4 and NO3? _______________________________ 12. Where does runoff cause nitrogen to accumulate? _________________________________________ Click PLAY Click CONTINUE 4 of 5 13. Which three molecules are often created from the remains of dead organisms? a. ____________________
b. ____________________
c. ____________________
14. What is denitrification? _________________________________________________________________________________ Click PLAY
Click CONTINUE 5 of 5 15. What percent of useable nitrogen (NH4, NO2, and NO3) is used by life? _______________________ Click CONCLUSION 16. Specifically, what do nitrogen fixers do? ________________________________________________ 17. Which organisms first use NH4 and NO3? _______________________________________________ 18. Why is an abundant amount of nitrogen from humans bad? _________________________________ _________________________________________________________________________________ Click QUIZ 19. What kind of organism converts atmospheric nitrogen into a form that other organisms can use? a. A denitrifier b. A nitrogen fixer c. A nitrifier 20. Which type of molecule contains nitrogen? a. Proteins b. Carbohydrates c. Lipids 21. Which process refers to the conversion of nitrates to nitrogen gas? a. Nitrification b. Nitrogen fixation c. Denitrification
Name: _____________________________________________________ Date: _________________ Period: ________
The Phosphorus Cycle Notes Fill out the notes below by reading the Phosphorus Cycle Tutorial. Press the F5 button to start the tutorial.
Why is Phosphorus Important? •
Three important molecules made with phosphorus are: 1. DNA
Sugar, Nitrogen Base, and __________________ Group
2. ATP
Adenosine Tri_____________________
Used by cells for _____________________
3. _______________lipids
Makes up the cell ______________________
•
Rocks are lumps of ___________________________
•
One mineral released from rocks is __________________________
•
Wind, cold, and _______________ cause rocks to crumble
Make It Rain •
Rain causes phosphorus to be released from __________________
•
The roots of ___________________ can absorb _________________________
The Producers •
Plants absorb phosphorus through their _______________
•
Plants need phosphorus to make DNA, phospholipids, and ______________
The Consumers
•
Herbivores obtain phosphorus by ____________________ plants
•
Animals need phosphorus to make ATP, _________________________, and DNA
Up the Food Chain •
Draw a food chain below that includes a hawk, plant, frog, and snail.
•
Label the producer, primary consumer, secondary consumer, and tertiary consumer in your food chain
The Decomposers •
Examples: Bacteria and __________________
•
Decomposers need phosphorus to make ______________, phospholipids, and ATP
•
Decomposers release waste that contains ________________________ back into the ecosystem
•
Phosphorus from decomposers can be reused by __________________________
The Human Factor •
Humans are _________________________ the phosphorus cycle
•
There is extra phosphorus found in ________________________, which are used by humans to help _________________ grow better
Why is this Bad? •
Phosphorus from humans is often washed away by _________________
•
The extra phosphorus collects in rivers, ____________________, and ____________________
•
The extra phosphorus causes extreme growth of ____________________ o Algal blooms use up the _______________________ in the pond
Is There Any Hope? •
__________________________ food does not contain extra ___________________________
•
Try not to use fertilizers in your home _______________________
•
Food sold at ___________________ markets are usually ______________________
•
The Beverly Hills Farmer’s Market is on _____________________ from _______am to ________pm
