Fact 1: Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Fact 2: Mammals breathe with lungs. Given the two facts above, what may become unbalanced if the lungs are working too fast or too slow?

OPTIONS:
- Decibels
- hair on head
- air pressure
- gasoline levels
- Acids
- energy usage
- brain chemistry
- blood pH

Answer: blood pH

Fact 1: Friction causes the speed of an object to decrease. Fact 2: Air friction gets rapidly larger as speed increases. Given the two facts above, what increases as speed increases?

OPTIONS:
- Weight
- Mass
- drag
- Cars
- motion
- Lift
- sweat
- heat

Answer: drag

Fact 1: Bacteria cause food poisoning. Fact 2: Food poisoning is a serious illness. Given the two facts above, what causes serious illness?

OPTIONS:
- oxgen
- influenza
- viruses
- disease
- chickenpox
- bacteria
- cooking food
- contracting itchiness

Answer: bacteria

Fact 1: An animal requires energy to move. Fact 2: All dogs are animals . Given the two facts above, all dogs require what to move?

OPTIONS:
- dog treats
- speed
- air
- barking
- Energy.
- energy
- feet
- a leash

Answer:
energy