1st - 4th Grade Science Activities : Page 4

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

In this design challenge, your child will make a bottle rocket using typical household items.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.