Q: Fact 1: Hitting an object causes the particles in that object to vibrate. Fact 2: Electrical particles in materials vibrate and accelerate. Given the two facts above, what moves electrical particles in an object ?

OPTIONS:
- hitting
- waves
- beating
- wind
- messengers
- a doorbell
- heat
- tapping

A: hitting

Q: Fact 1: Earthworm burrows help aerate soil, which is also good for plants. Fact 2: Earthworms are perhaps the most familiar decomposer. Given the two facts above, what helps aerate soil, which is also good for plants?

OPTIONS:
- trees
- bacteria
- loose dirt
- decomposers
- dogs
- the Sun
- hydration
- Exfoliation

A: decomposers

Q: Fact 1: Cancer is a disease that occurs when the cell cycle is no longer regulated. Fact 2: Cancer is also caused by a mutation. Given the two facts above, what is a result of when the cell cycle is no longer regulated?

OPTIONS:
- anemia
- Smoking
- Dehydration
- fever
- Pollution
- mutation
- radiation
- bacteria

A: mutation

Q: Fact 1: Transportation technology is used for moving people. Fact 2: Kinetic energy is the energy of moving objects. Given the two facts above, transportation technology requires what?

OPTIONS:
- kinetic energy
- human effort
- solar panels
- scarce resources
- a hydraulic system
- support
- wind energy
- Electrical energy

A:
kinetic energy