Q: Fact 1: If an object reflects light toward the eye then that object can be seen. Fact 2: Light is made of photons . Given the two facts above, an object can be seen if it reflects what?

OPTIONS:
- Energy.
- vibrations
- energy
- waves
- sound
- sun's heat
- photons
- sunlight

A: photons

Q: Fact 1: Exercise has a positive impact on a human 's health. Fact 2: For exercise, moderate exercise such as walking is recommended. Given the two facts above, what is a moderate way to have a positive impact on a human 's health?

OPTIONS:
- Cooking
- walking
- high fat
- Heart rate
- skipping meals
- pollution
- sweating
- food

A: walking

Q: Fact 1: Electrocution causes harm to an organism. Fact 2: Plants and animals are organisms. Given the two facts above, what does electrocution cause harm to?

OPTIONS:
- cells
- pain
- amphibians
- animals
- Frogs
- electrons
- humans
- water

A: animals

Q: Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Coral reefs are formed from coral skeletons. Given the two facts above, what provides food and shelter to many ocean organisms?

OPTIONS:
- It helps them survive
- Something formed from skeleton
- sedimentary rocks
- important habitats
- Something with a head, thorax, and abdomen
- it protects them
- gastropod shells
- in their habitats

A:
Something formed from skeleton