Question: Fact 1: Lakes are formed by precipitation and runoff. Fact 2: Runoff from precipitation is a natural part of the water cycle. Given the two facts above, what are some of the steps that forms a lake?
OPTIONS:
- decomposition and respiration
- storing water
- photosynthesis and solar energy
- near the shoreline
- precipitation and run-off
- perspiration and excretion
- The area was once underwater
- At the peak of a mountain
Answer: precipitation and run-off

Question: Fact 1: Alight bulb requires electrical energy to produce light. Fact 2: Black numbers on a white background are easier to see in darkness or bright light. Given the two facts above, bulbs produce electrical energy to what?
OPTIONS:
- reproduce
- Change colors
- rain or sun shine
- adding heat
- look at the sun
- power up cars
- see in darkness
- walk through yards
Answer: see in darkness

Question: Fact 1: Mammals have a layer of fat under the skin to help insulate the body. Fact 2: When stored in the body, fat helps maintain body temperature by acting as an insulator. Given the two facts above, what do mammals have that help maintain temperature?
OPTIONS:
- body
- bone
- skin
- fur
- hair
- wool
- Fat
- coat
Answer:
Fat