Ques: Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy.  Fact 2: Ice is a cold frozen liquid.  Given the two facts above, answer the question "How is ice made?" with the following options:  - The area was once underwater  - Melting it  - Drying it out  - salt and water.  - It gets heated up  - It used to be covered by water  - Boiling the water  - Reducing heat energy
Ans: Reducing heat energy

Ques: Fact 1: Cells vary in size as well as shape, but all cells are very small.  Fact 2: Microscopes are needed as most aquatic invertebrates are quite small.  Given the two facts above, answer the question "What can be used to see cells?" with the following options:  - microscopes  - A computer  - mirrors  - cell walls  - barometers  - binoculars  - scattered light  - flashlights
Ans: microscopes

Ques: Fact 1: Earthworms are important deposit feeders that help form and enrich soil.  Fact 2: Earthworms are perhaps the most familiar decomposer.  Given the two facts above, answer the question "What can help form and enrich soil?" with the following options:  - Most plants  - whales  - the Sun  - decomposers  - swamp vegetation  - shrub beds  - phytoplankton  - fossil fuels
Ans: decomposers

Ques: Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time.  Fact 2: Rivers, rainwater, well water and most lakes contain fresh water.  Given the two facts above, answer the question "What are canyons formed by?" with the following options:  - clouds  - stars  - erosion  - loose soil  - wind  - ice wedging  - rainwater  - calcite
Ans: