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This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

How to Make a Water Wheel

Science can be sticky! This interactive lesson with an ooey-gooey ending will solidify your students&#39; understanding of the states of matter!

What's the Matter? Solids, Liquids, and Gases!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Pinto Bean Germination Experiment

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Can superabsorbent polymer crystals absorb any other liquids besides water?

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Mouth Bacteria?

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Yeast Growth

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Sound Localization: Judging Sound Direction

Heads up! Students become cloud experts before making custom clouds, complete with weather predictions!

I Spy Clouds

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How to Make Gears

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Positive and Negative Geotropism

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Edge Effect

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Bleeding Paper

Eye love science! This lesson will help your students understand the parts of the eye that work together to make us visualize the different colors, shapes, and textures of objects around us.

I Look, I See

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Microwave Plant Experiment: Radish Seed Germination

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

How to Demagnetize a Magnet

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The Best Stain Remover for Clothes: Testing Laundry Stain Removal

This lesson engages students in activity to help them understand the phases of the Moon, and why they occur. Students read literature, analyze it, and then apply it to the small group performance of one cycle of the Moon’s phases.

What's Your Phase?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Does Age Affect Memory?

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

What is Plant Transpiration?

Star light, star bright! Teach students all about constellations and earth movement with this engaging science lesson plan. Broken out over several days, this unit encourages students to research and report on a constellation.

Star Unit

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

What Causes the Seasons to Change?

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Determining Mold and Mechanical Deterioration Risk for an Artifact Storage Box

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