Q: Fact 1: Molecules of DNA are encoded with instructions that tell cells what to do. Fact 2: Genes, made of DNA, carry the instructions for building proteins. Given the two facts above, what do genes carry?

OPTIONS:
- pollen
- Energy
- calories
- instructions
- Chemical energy
- fat
- acid
- colors

A: instructions

Q: Fact 1: Habitat destruction causes animals to move to find shelter in another habitat. Fact 2: Human population growth has resulted in habitat destruction, causing massive extinctions. Given the two facts above, what causes animals to move to find shelter in another habitat?

OPTIONS:
- death and devastation
- a tree falling
- exposure to cold
- Human population growth
- games
- deforestation
- Human decline
- moonlight

A: Human population growth

Q: Fact 1: An electrical insulator slows the transfer of electricity. Fact 2: Tires are electrical insulators. Given the two facts above, what slows the transfer of electricity more?

OPTIONS:
- sweat
- Alcohol
- Smoking
- tires
- copper
- air
- water
- oil

A: tires

Q: Fact 1: When electricity flows to a light bulb , the light bulb will turn on. Fact 2: Materials that control the flow of electricity are called resistors. Given the two facts above, what could prevent a light bult from turning on?

OPTIONS:
- sensory neurons
- herbicide
- A resistor
- focusing a lens
- evaporation
- heat energy
- heating liquids
- energy barrier

A:
A resistor