Problem:OPTIONS:
- Heat
- Calories
- liquid
- copper
- Joules
- warmth
- Kinetic energy
- sugar

Fact 1: Melting means changing from a solid into a liquid by adding heat energy. Fact 2: Heat is Energy and is measured in Joules. Given the two facts above, what is required to melt something?
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A: Heat

Problem:OPTIONS:
- resistance
- Veins and arteries.
- Leptospirosis
- sensory neurons
- bilateral symmetry
- parasites
- food and shelter
- aerobic capacity

Fact 1: Flatworms belong to the phylum Platyhelminthes. Fact 2: Flatworms are bilaterally symmetric. Given the two facts above, what does the phylum Platyhelminthes usually have?
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A: bilateral symmetry

Problem:OPTIONS:
- Something that has seven colors
- Something that dries the Earth
- rivers and streams
- global ecosystems
- Something that has a tail
- Something that is wet
- deoxyribonucleic acid
- roots and shoots

Fact 1: Sunlight and rain can cause a rainbow. Fact 2: When white light hits a prism it is seen as the seven rainbow colors. Given the two facts above, sunlight and rain combine to form what?
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A: Something that has seven colors

Problem:OPTIONS:
- contamination
- Pollution
- toxins
- Clean air
- Bigger plants
- Echinoids
- Light
- disease

Fact 1: Pesticides can cause pollution. Fact 2: Pesticides are chemical poisons. Given the two facts above, what does chemical poison create?
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A:
Pollution