Q: Fact 1: If a neutral atom loses an electron then an atom with a negative charge will be formed. Fact 2: Negative charges are attracted to positive charges. Given the two facts above, what can be done to a neutral atom to make positive charges attractive to it?

OPTIONS:
- Remove an electron
- It gets heated up
- Cool the atom
- flow of electrons
- Inject hormones
- Accelerate the atom
- adding heat
- electrically

A: Remove an electron

Q: Fact 1: If an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity. Fact 2: Normally ice floats, because it is less dense than water. Given the two facts above, what happens to ice in water?

OPTIONS:
- it evaporates
- it sinks
- it floats.
- it expands
- they bend
- Condensation
- vaporization
- kinetic energy

A: it floats.

Q: Fact 1: Cell division often causes growth. Fact 2: Cell division is relatively slow and requires a lot of energy. Given the two facts above, what often requires a lot of energy?

OPTIONS:
- pigeons
- monkeys
- horizon
- growth
- humans
- omnivores
- waiting
- distance

A: growth

Q: Fact 1: Water causes refraction of light. Fact 2: Rainbows are formed when sunlight is refracted through raindrops. Given the two facts above, how are rainbows formed?

OPTIONS:
- photosynthesis
- Light passing through water
- Cold air mixing with water
- Hot air passing through water
- Evaporation of water
- focusing a lens
- photosyntehsis
- Water passing through light

A:
Light passing through water