Question: Fact 1: Matter vibrating can cause sound. Fact 2: All guitars produce sound through the mechanical vibration of strings. Given the two facts above, what do guitar strings do?
OPTIONS:
- Charge the guitar
- Relieve pain
- Vibrates
- reproduce
- squeeze
- Bend
- Create silence
- Mute the guitar
Answer: Vibrates

input with options: Fact 1: Soil is formed by rocks eroding. Fact 2: Rivers erode the rocks they flow over. Given the two facts above, what forms soil?
OPTIONS:
- one celled organisms
- single-celled organisms
- an external framework
- erosion from rivers
- Earthworms
- Sand dollars
- The area was once underwater
- most organisms
output: erosion from rivers

Q: Fact 1: Energy enters ecosystems in the form of sunlight or chemical compounds. Fact 2: Energy is a basic necessity of an ecosystem. Given the two facts above, the basic necessity of an ecosystem enters in the form of what?

OPTIONS:
- heat
- recycling
- trees
- food
- sunlight
- adding heat
- movement
- root growth

A: sunlight

input: OPTIONS:
- hydrogen and oxygen
- aqueous solution
- precipitation
- calcite
- erosion
- flow of electrons
- Calcium carbonate
- Physical weathering Now, answer this question: Fact 1: Sinkholes are formed by precipitation. Fact 2: Natural openings on the surface that lead to caves are called sinkholes, or swallow holes. Given the two facts above, natural openings on the surface, leading to caves are formed by what?
A:
output: precipitation

Fact 1: If a neutral atom loses an electron then an atom with a negative charge will be formed. Fact 2: Ions are neutral atoms. Given the two facts above, what can an ion have if it loses an electron?

OPTIONS:
- It becomes dormant
- negative charge
- kinetic energy
- energy barrier
- heat energy
- Electrical energy
- hydrogen and oxygen
- activation energy

Answer: negative charge

Q: Fact 1: Exercise has a positive impact on a human 's health. Fact 2: Exercise builds muscle. Given the two facts above, what has a positive impact on human's health?

OPTIONS:
- sweating
- stay warm
- playing
- flu
- food
- muscle
- cancer
- virus

A:
muscle