Fact 1: Most plants continue to grow throughout their lives. Fact 2: Plants use the light energy to grow. Given the two facts above, what do most plants continue to use throughout their lives?

OPTIONS:
- Light energy
- money
- wealth
- sunlight
- The Sun
- food and shelter
- energy
- Mechanical energy

Answer: Light energy

Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Sound waves vibrate. Given the two facts above, a firecracker converts chemical energy into what?

OPTIONS:
- kinetic energy
- Loud noises
- vibrating waves
- An object is seen
- electromagnetic energy
- deoxyribonucleic acid
- hydrogen and oxygen
- harmful substances

Answer: vibrating waves

Fact 1: Aging occurs as cells lose their ability to divide. Fact 2: Gerontology is the study of the aging process and old age. Given the two facts above, what happens as cells lose their ability to divide?

OPTIONS:
- anemia
- puberty
- negative
- radiation
- getting old
- replication
- Dehydration
- having a baby

Answer: getting old

Fact 1: If fossils of an animal or plant are found in a place then that animal or plant used to live in that place. Fact 2: Frozen fossil animals are found in permafrost. Given the two facts above, if what are found in permafrost, that plant used to live in that place?

OPTIONS:
- Echinoids
- Conifers
- deuterostomes
- bullfrogs
- frozen fossils
- one celled organisms
- Nematoda
- important habitats

Answer:
frozen fossils