This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

The goal of this project is to create an exciting topographical map out of dough.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Plant a mini herb garden and teach your child about science and nature.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Determine whether butterflies like to drink sugar water, salt water, or plain water.