2nd - 7th Grade Science Activities : Page 8

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learn with makes water molecules work with this fun and easy science activity!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

The purpose of this science fair project is to build a basic radio.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

Help your child learn about animal classification with this fun and delicious activity.

This science fair project idea investigates the hardness property of minerals.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea determines if the color of light affects the growth of plants.

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

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

This science fair project idea produces varying pitches of sound.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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.