Fact 1: Electric devices require electrical energy to function. Fact 2: Electrical energy refers to energy associated with the flow of electrons. Given the two facts above, what uses the flow of electrons?

OPTIONS:
- Typewriters
- hydrogen and oxygen
- an electron microscope
- Electric devices
- Manual devices
- Bodies of water
- circulatory systems
- an electron lens

Answer: Electric devices

Fact 1: Algae have varied life cycles. Fact 2: Some, such as the green algae, are plants. Given the two facts above, what have varied life cycles?

OPTIONS:
- bacteria
- fungi
- Variety.
- Cycles.
- plants
- Plants.
- insects
- Life of air.

Answer: Plants.

Fact 1: An animal requires stamina to succeed at physical activities. Fact 2: Males of most species of animals are generally more energetic and have more stamina than females. Given the two facts above, what gender of species has more stamina?

OPTIONS:
- snail
- tuna
- two
- Males
- humans
- Pacific
- pigeons
- fish

Answer: Males

Fact 1: Stalactites are formed by deposition. Fact 2: And new sediments such as clay and sand are being deposited by water. Given the two facts above, what are formed by sediments such as clay and sand by water?

OPTIONS:
- detritus
- stalactites
- watershred
- swamp vegetation
- patch reefs
- soft soil
- kalenchoes
- erosion

Answer:
stalactites