5th - 7th Grade Science Activities : Page 4

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Have your child kick off their summer vacation by making a miniature water slide!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

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

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, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This science fair project idea determines the most effective method of preserving food.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea examines the reason boats are shaped and engineered.