Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: First, limestone is a strong rock. Given the two facts above, what causes limestone to smooth?
OPTIONS:
- contact
- coffin
- hair
- erosion
- bacon
- rainfall
- friction
- loose soil
contact
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Fact 1: Trees have woody stems covered with bark. Fact 2: All oaks are trees. Given the two facts above, what has a woody stem covered in bark?
OPTIONS:
- bacteria
- bushes
- elms
- humans
- flowers
- Spruce
- oaks
- bamboo
oaks
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Fact 1: Agasoline lawn mower converts gasoline into motion. Fact 2: Diesel and gasoline are chemicals. Given the two facts above, what does a lawn mower convert into motion?
OPTIONS:
- heat energy
- propulsion
- fossil fuels
- grass
- water
- Energy.
- chemicals
- energy
chemicals
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Fact 1: Rivers are usually larger than streams. Fact 2: Mountain stream water is drinkable. Given the two facts above, rivers are usually larger than what?
OPTIONS:
- objects that have mass
- body water
- colder and wetter
- Veins and arteries.
- allow growth
- loose soil
- at or near the margins
- mountain sources
mountain sources
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