- Empty quart sized yogurt container or comparable container
- Sand
- Pebbles
- Board
- Hammer
- Nails
- Large rubber band
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- Put about an inch of sand and pebbles into the bottom of the yogurt container.
- Add about two inches of water and freeze until solid.
- Remove the container from the freezer and repeat the layering process until the cup is full.
- Set the board against a step outside to create a ramp.
- Remove your mini glacier from the container. You may have to run hot water over the outside of the container to release the ice.
- Turn your glacier upside down on the board and carefully drive a nail into the ice chunk.
- Now carefully drive a nail into the top center portion of the board.
- Attach one end of the rubber band to the nail on the board and the other end of the rubber band to the nail on your mini glacier.
- Observe the sand and pebble deposits your glacier leaves as it melts.
Question 1: What is the top layer of soil called? A) Bedrock B) Subsoil C) Topsoil D) Clay
Correct answer: C) Topsoil
Question 2: Which of the following organisms can be found in soil? A) Fish B) Birds C) Earthworms D) Snakes
Correct answer: C) Earthworms
Question 3: What are the main nutrients found in soil that plants need for growth? A) Oxygen and carbon dioxide B) Nitrogen and phosphorus C) Hydrogen and helium D) Sodium and potassium
Correct answer: B) Nitrogen and phosphorus