Science project
Identify Trace Fossils
How can scientists figure out what a dinosaur’s footprints looked like? When a dinosaur walked near a stream, it may have left footprints imprinted in the earth. If the stream the footprints flooded, mud might have filled them and dried, preserving them forever. This science project will allow you demonstrate this process, which eventually forms a trace fossil.
Problem:
How do trace fossils form?
Materials:
- Clay
- Margarine container
- Cooking spray
- Plaster of paris
- Water (to make plaster)
- Seashell
Procedure:
- Place some clay into the bottom of the container, and flatting it so that it is at least ½-inch deep.
- Spray the surface of the clay, as well as the visible sides of the container, with cooking spray.
- Lay the seashell on top of the clay, with the most textured side facing downwards.
- Press onto the seashell and then remove it, so that it leaves a deep impression in the clay.
- Use the directions on the package of plaster of paris to make about ½ cup of plaster.
- Pour the plaster over the clay so that it completely covers the seashell impression.
- Wait at least 30 minutes for the plaster to dry completely.
- Squeeze the container so that the piece of clay and plaster pops out of it. Peel the clay off to reveal the plaster “fossil.”
- Consider how this fossil resembles trace fossils made from animal footprints. What does the clay represent? What does the plaster represent?
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Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.
Education.com provides the Science Fair Project Ideas for informational purposes only. Education.com does not make any guarantee or representation regarding the Science Fair Project Ideas and is not responsible or liable for any loss or damage, directly or indirectly, caused by your use of such information. By accessing the Science Fair Project Ideas, you waive and renounce any claims against Education.com that arise thereof. In addition, your access to Education.com's website and Science Fair Project Ideas is covered by Education.com's Privacy Policy and site Terms of Use, which include limitations on Education.com's liability.
Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.
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