Q: Fact 1: Arefrigerator is used for keeping food fresh for a long period of time. Fact 2: Cold temperatures keep food fresh and inhibit the growth of most bacteria. Given the two facts above, a refrigerator is used for inhibiting the growth of what on food?

OPTIONS:
- some invertebrates
- viruses
- molds
- spores
- Echinoids
- most bacteria
- Nematoda
- cones

A: most bacteria

Q: Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Interestingly, a squid is also a mollusk. Given the two facts above, what does a squids circulatory system pump?

OPTIONS:
- Mucus
- Air
- Water
- Energy
- Blood
- Energy.
- heat
- oxygen

A: Blood

Q: Fact 1: When an electrical circuit is working properly , electrical current runs through that circuit. Fact 2: An electrical current is the flow of electric charge. Given the two facts above, when an electrical circuit is working properly, what charge runs through that circuit?

OPTIONS:
- light
- energy
- metal
- electric
- positive
- passive
- heat
- heat energy

A: electric

Q: Fact 1: The color of leaves on deciduous trees usually changes in the autumn season. Fact 2: Leaves change color, snow falls, and spring brings back the greenery. Given the two facts above, what season happens before snow falls, and spring brings back the greenery?

OPTIONS:
- autumn
- rainfall
- Winter
- H20
- spring
- rain
- middle
- summer

A:
autumn