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Warm Up 48. What do you know about soil? How does your life depend upon dirt? 3)Look at the soil on your desk. Make several observations. WARM UP 49 1) What do you think happens to the dead leaves, twigs and trees?. 2) What happens to exposed rock over long time periods?. - PowerPoint PPT Presentation
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Warm Up 48
1) What do you know about soil?
2) How does your life depend upon dirt?
3)Look at the soil on your desk. Make several observations.
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
2) What are some solutions to overgrazing? (look up in book)
3) What are 2 negative impacts of soil erosion?
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.
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?
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 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?
Warm Up 67What do you know
about the following terms:
a)Water pollutionb)Wastewaterc) Septic tanksd)Eutrophication
Warm Up 691) Why do you think people
drink bottled water?
2) Where does most of Audubon’s tap water come from?
3) Copy the chart on the black board. (below warm up or next page)
Safe Drinking Water Act• 54 countries have
drinking water lawsSDWA passed 1974
requires EPA to set drinking water standards
Maximum Contaminating Levels (MCLs)