Fact 1: Fertilization occurs when a sperm and an egg fuse. Fact 2: Fertilization As far as fertilization, timing is critical. Given the two facts above, when is timing critical?

OPTIONS:
- a hemisphere is tilted away from the sun
- object is kicked
- movement of tectonic plates
- flow of electrons
- when the sperm and egg fuse
- Earth revolving around the sun
- Warm air moving into cold air
- seed dispersal

Answer: when the sperm and egg fuse

Fact 1: Bivalves feed on plankton and nonliving organic matter. Fact 2: Most animals that live on rocky shores eat plankton. Given the two facts above, most animals that live on rocky shores eat what?

OPTIONS:
- after too much water received
- scarce resources
- nonliving organic matter
- mammals
- Something made from fermented ricce
- large animals
- birds
- harmful substances

Answer: nonliving organic matter

Fact 1: Arainbow is formed by refraction of light by separating light into all different colors. Fact 2: Light passing through a prism is refracted or divided into the colors of the spectrum. Given the two facts above, what object can be used to create a rainbow?

OPTIONS:
- power
- refracted
- the sun
- arc
- lenses
- flowers
- prism
- leprechauns

Answer: prism

Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Slate is an example of a metamorphic rock. Given the two facts above, extreme heat and pressure can turn rock into what?

OPTIONS:
- slate
- complex
- soils
- calcite
- oil
- cracks
- dead
- coal

Answer:
slate