Fire
Draw an earth model and label the Arctic.
Near North Pole
True or false: Peat forms exposed to air.
False; air has too much oxygen, it will decompose.
Name one reactant of cellular respiration.
Oxygen or sugar
What three requirements does fire need to burn?
Heat, fuel, oxygen
Draw an earth model and label the equator.
Midline of planet
As Carbon Dioxide concentration increases in our atmosphere, global temperatures will continue to __________.
Increase
Why do we keep our food in refrigerators? Use the word "decompose" in your answer.
Organic matter decomposes slower at low temps.
Name one product of cellular respiration.
Carbon dioxide or water
True or False: Once peat burns away in an area, it can be replenished in about 100 years.
False
Eman is experimenting with how much sleep she gets before a test day. She finds she gets better grades when she gets 8 hours than when she gets 6 hours. What is the Dependent Variable in this experiment?
Her test scores; this depends on how much sleep she gets.
What product (produced by photosynthesis) is stored in plant cells? We also rely on it for energy for our bodies.
sugar/glucose
Write the formula for photosynthesis; include at least the main two reactants, main two products, and the source of energy needed for these chemical reactions to occur.
6CO2 + 6H2 O + sunlight -> C6 H12 O6 + 6O2.
When researchers fly a drone over an area with wildfire activity, they notice a large brown spot in the middle of a forest. This is most likely a ________ ________ (two words).
Burn scar
Eman is experimenting with how much sleep she gets before a test day. She finds she gets better grades when she gets 8 hours than when she gets 6 hours. What is the Independent Variable in this experiment?
How much sleep she gets
What is permafrost?
Ground that stays frozen all year long.
Why are decomposers important? Name one reason.
Keep waste from piling up.
They cycle energy through ecosystems.
When a new Arctic fire starts burning, this is where it usually starts relative to the previous fire.
Right where the previous fire stopped.
Doctors are studying a new pill that is supposed to cure the common cold in under 24 hours. They have an experimental group taking the pill. Why is it important for them to have a separate control group that takes a fake pill with no effects?
To have a standard to compare to; they want to know if the new pill actually improves the healing process or if it is a placebo effect.
Name one way humans use peat.
Fuel for cooking, to warm homes.