3)Look at the soil on your desk. Make several observations.
WARM UP 491) What do
you think happens to the dead leaves, twigs and trees?
2) What happens to exposed rock over long time periods?
3) Explain how soil is formed.
4) List several reasons why soil is important.
Warm Up 50
Explain what you see in this chart
Warm Up 511) What were the 3
nutrients in the soil you tested for?
2) What pH in the soil do most plants like?
3) Explain the chart on the right
Warm Up 52
1) Why do we care about soil erosion?
2) What are the main causes of soil erosion?
3) What is desertification? (look up in book)
2) What are some solutions to overgrazing? (look up in book)
3) What are 2 negative impacts of soil erosion?
Warm Up 531) When did humans begin farming?
2) List several differences between traditional and industrial agriculture.
3) List at least 1 positive and negative of the Green Revolution.
Warm Up 541) Explain what
genetically modified organisms (GMOs) are.
2) What is happening to the amount of arable land worldwide? Why is that a problem?
Warm Up 561) List at least 3 reasons
why you think we study water. (why is water important?)
2) List 5 ways you use water.
3) What is the chemical formula for water.
4) Estimate how much water you use each day.
Warm up 571) Why do you think a
paper clip can float on water?
2) Why can a cup of water be filled over the brim?
3) What heats up faster, sand or water?
Warm Up 581) List 3 ways that
water is a “unique” substance.
2) In your own words, describe several steps in the water cycle.
Warm Up 591) Why is water a limited
resource?
2) Where is most water located?
3) Explain how an action of someone in NY State can impact the water quality of the Delaware as it passes Philadelphia
4) Copy and fill in blanks: ______% of Earth is covered by water, of that _______ % is in the Oceans and _______% is fresh water. Of the fresh water most is found _______________.
Warm Up 60
1) How is most water used in the U.S.?
2) List 3 ways to conserve water at home.
3) How can we protect groundwater?
Warm up 651) List as many ways
humans use water as you can think of.
2)Predict: For what use do we use the most water?
3)Predict: How much do you think you pay for 1 gallon of tap water?