Fact 1: Apesticide is used for protecting plants by killing insects. Fact 2: Plants are poisoned by herbicides, animals by pesticides. Given the two facts above, what doesn't protect plants?

OPTIONS:
- viruses
- smallpox
- herbicide
- steroids
- A virus
- Nematoda
- chickenpox
- cigarettes

Answer: herbicide

Fact 1: Fission takes place when an animal divides into two parts. Fact 2: Fission releases energy and neutrons. Given the two facts above, what gets released when an animal divides into two parts?

OPTIONS:
- light energy
- harmful substances
- heat energy
- Hemoglobin
- Electrical energy
- microorganisms
- energy and neutrons
- Generating heat

Answer: energy and neutrons

Fact 1: Many corals secrete an exoskeleton that builds up to become a coral reef. Fact 2: Australia's coral reefs, including the Great Barrier Reef, are no exception. Given the two facts above, what was formed by exoskeletons?

OPTIONS:
- heat produced
- remains of prehistoric life
- layers of fat
- The area was once underwater
- the Great Barrier Reef
- the body's largest organ
- sedimentary rocks
- it keeps an organism warm

Answer: the Great Barrier Reef

Fact 1: Alight bulb requires electrical energy to produce light. Fact 2: Electricity or electrical energy, is produced at a power plant. Given the two facts above, what does a light bulb require to produce light?

OPTIONS:
- sunlight
- adding heat
- darkness
- motivation
- sun's heat
- fear
- an electron lens
- Power plant

Answer:
Power plant