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.

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

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This project compares the strength of one, two, and three-ply toilet paper.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This biodiversity project examines the biodiversity in your own backyard.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea compares biodiversity between drops of water.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The objective of this science fair project is to investigate salt water density.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.