Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Chemical energy Energy released as a result of chemical reactions. Given the two facts above, what is happening inside a firecracker as it starts to go off?
OPTIONS:
- separation
- explosion
- adding heat
- chemical reaction
- It remains dormant
- wavelengths and photons
- uncontrolled
- fusion

Answer: chemical reaction

Fact 1: Earth 's tilt on its rotating axis causes seasons to change. Fact 2: Winter is a horrible season. Given the two facts above, what does Earth's tilt on its rotating axis cause?
OPTIONS:
- rainfall
- spring
- heat
- friction
- winter
- wind
- flooding
- erosion

Answer: winter

Fact 1: Keeping food cold is used for keeping food fresh. Fact 2: Refrigerators are suppose to add coldness to the food inside of it. Given the two facts above, what keeps food fresh?
OPTIONS:
- Enzymes
- fur and fat
- boiling water
- refrigerators
- microwaves
- electricity
- carrots
- a hydraulic system

Answer:
refrigerators