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This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.