Q: Fact 1: An egg requires warmth to survive. Fact 2: First the frog lays the eggs, then the warmth from the sun makes the eggs hatch into baby tadpoles. Given the two facts above, what keeps eggs warm? | OPTIONS:
- ice
- hair
- wool
- bears
- fur
- sun
- moss
- sand
A: sun

Q: Fact 1: Sperm had to swim from male to female reproductive organs for fertilization. Fact 2: Male gametes are called sperm. Given the two facts above, why do male gametes swim from male to female reproductive organs? | OPTIONS:
- temperature changes
- to leave the egg
- fertilization
- competition
- it needs them
- to feed
- permineralization
- to heal themselves
A: fertilization

Q: Fact 1: Wiring requires an electrical conductor. Fact 2: Wires connected to a source of electricity. Given the two facts above, an electrical conductor is required for the operation of:? | OPTIONS:
- water current
- electricity
- satellites
- energy
- to move people
- gas lamps
- trains
- lightning
A: electricity

Q: Fact 1: Aplant requires nutrients to grow. Fact 2: Plants grown included roses. Given the two facts above, a rose requires what to grow? | OPTIONS:
- nutrients
- Light
- Solar energy
- meat
- sunlight
- rocks
- dust
- seeds
A: nutrients