Q: Fact 1: Gravity pulls objects towards planets. Fact 2: Gaia is our planet Earth. Given the two facts above, gravity pulls objects towards what? | OPTIONS:
- ground
- forces
- Objectives
- Earth
- Energy.
- Oxygen
- Helium
- the sun
A: Earth

Q: Fact 1: Boiling means change from a liquid into a gas by adding heat energy. Fact 2: Evaporation is when a liquid turns into a gas. Given the two facts above, what happens when a liquid is boiled? | OPTIONS:
- Sublimation
- air cools
- Evaporation
- Water expanding
- It expands
- Condensation
- Precipitation
- Temperature
A: Evaporation

Q: Fact 1: Scraping oneself on a contaminated object may cause infection. Fact 2: Infection often causes death. Given the two facts above, scraping oneself on a contaminated object may cause? | OPTIONS:
- deadly
- Injury
- blood
- rabies
- Herpes
- death
- mildew
- disease
A: death

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