Fossil Fuels
Energy for Life
Electrical Energy
Energy
Random + Final Jeopardy (500)
100
What type of reaction do fossil fuels rely on to convert energy?
Combustion reactions.
100
What part of plant cells drive photosynthesis?
Cytoplasm.
100
Name 2 ways our school could become more energy efficient.
Answers will vary.
100
This is the named for stored energy (e.g. energy stored in the chemical bonds of food)
Potential energy.
100
Name an example of potential energy in real life.
Answer will vary.
200
Name 2 extreme weather events that can happen as a result of burning fossil fuels.
Answers will vary.
200
What part of animal cells drive cellular respiration?
Mitochondria.
200
Calculate the power in watts of a bulb that uses 100 joules of energy in 2 seconds, using the formula provided.
50w
200
This is the name for energy due to motion (e.g. a windmill turning)
Kinetic energy.
200
When we get cold we have a natural system in our body that causes us to shiver to get back to a better temperature. This is an example of:
Homeostasis.
300
Name the 3 main types of fossil fuels
Oil
Natural Gas
Coal
300
In a food chain, how much energy is conserved from one level to the next?
10%
300
Determine the efficiency percentage of a refrigerator using 3000 joules of energy but only 2400 joules are useful.
80%
300
Name in the input, output and converter for a person throwing a baseball.
Input - food
Output - ball being thrown
Converter - human body
300
What is required to help coal form?
Heat and pressure.
400
What type of fossil fuel extraction relies on drilling into the ground and blasting water into the earth?
Fracking
400
What is the formula for cellular respiration?
Glucose + Oxygen -> Carbon Dioxide + Water + ATP
400
When you receive your power bill, what is your energy measured in?
Kw/h
400
What law is this: Energy cannot be created or destroyed. Therefore,useful energy must be converted from one form to another. However, with each conversion, some energy is lost is heat; this is because no energy conversion process is 100% efficient.
Law of Conservation of Energy
400
Calculate the efficiency of a solar panel that converts 1350 joules of sunlight into 750 joules of electrical energy accurately.
55.6%
500
Burning of fossil fuels and cellular respiration are both this type of reaction.
Exothermic.
500
Explain how how photosynthesis and cellular respiration are essentially the reverse of one another.
Without plants, we would not have any source of energy to convert into usable forms. Without animals, plants would have no source of carbon dioxide (which is required to produce glucose!)
500
Most of our energy comes from fossil fuels. What types of plants convert fossil fuels to electrical energy?
Thermo-electric power plants.
500
What is the formula for the law of conservation of energy?
INPUT ENERGY = USEFUL OUTPUT ENERGY + WASTE OUTPUT ENERGY (HEAT)
500
FINAL Jeopardy
The power required to run an electrical device is measured in watts, where 1 watt is equal to 1 ______ of energy transferred per second.
Joule.