This liquid fossil fuel from underground is used to make both gasoline for cars and plastic.
Answer: What is crude oil (or petroleum)?
Clue: This clean energy source uses energy from the sun but cannot generate electricity at night or on cloudy days.
Answer: What is solar energy?
Clue: This term describes a plant or animal that is moved into a new area where it does not naturally belong and spreads fast.
Answer: What is an invasive species?
Clue: This type of pest control relies on spraying human-made chemicals to kill bugs quickly.
Answer: What is chemical control (or pesticides)?
Clue: An animal that hunts, kills, and eats other animals.
Answer: What is a predator?
Answer: What is 300 to 360 million years ago?
Clue: While this energy source uses spinning turbine blades, it risks hitting birds and bats.
Answer: What is wind energy?
Clue: Invasive species often multiply out of control because their new home lacks these natural population checks.
Answer: What are predators and sicknesses (or diseases)?
Clue: This eco-friendly pest control strategy uses natural enemies instead of toxic poisons.
Answer: What is biological control?
Clue: A synthetic (human-made) chemical used specifically to kill bugs, weeds, or fungus.
Answer: What is a pesticide? Herbicide? Fungicide?
Clue: The energy inside fossil fuels originally came from the sun through this biological process.
HINT: It's the process plants use to make food.
Answer: What is photosynthesis?
Clue: This type of energy harnesses hot steam and heat from deep underground to warm homes.
Answer: What is geothermal energy?
Clue: Farmers originally brought the cane toad to Australia to eat these pests that were damaging sugarcane.
Answer: What are beetles?
Clue: If you need to stop crop damage immediately, chemical control is chosen over biological because of this feature.
Answer: What is speed? (Chemical is fast/takes hours; biological is slow/takes weeks).
Clue: A tiny living thing—like a germ, virus, or bacteria—that makes organisms sick.
Answer: What is a pathogen?
Clue: This gas is released when we burn fossil fuels, trapping heat in the atmosphere and causing global warming.
Answer: What is carbon dioxide (CO2)?
Clue: A major problem with this water-based energy source is that flooding from its dams destroys habitats.
Answer: What is hydroelectric energy?
Clue: Name one reason the Cane Toad failed to eliminate the Cane Beetle for several reasons.
Answer: What is poison on the skin of the toad, the toads did not eat the Cane Beetle, no natural predators.
Name two disadvantages to biological pest control.
Answer: The introduced species might eat/attack good native animals?
AND
It may take weeks or months for the natural enemies to grow & work.
Clue: This happens when bugs survive chemical sprays and pass that survival trait down to their offspring.
Answer: What is pesticide resistance?
Clue: Unlike fossil fuels, this non-renewable power source is generated from special elements in the ground like uranium.
Answer: What is nuclear energy?
Clue: This new, experimental bio-fuel is a great alternative because it grows in water and does not take up food farmland.
Answer: What is algae biofuel?
Clue: The "School Cafeteria" story illustrates that plants and animals must compete because resources are ___________.
Answer: What is "scarce," "scarcity," or "limited"?
Clue: These are the two major long-term environmental and biological risks of using chemical pesticides.
Answer: What are bioaccumulation and pesticide resistance?
Clue: The process where poison builds up inside an animal's body and gets stronger as it moves up the food chain.
Answer: What is bioaccumulation?