3rd - 8th Grade Science Activities : Page 18

Test whether plants can grow without sunlight and water.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

This science fair project idea explores how length affects the weight a bridge can hold.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This surprisingly good glue recipe comes from common kitchen items.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

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.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

In this experiment we will be determining whether birds prefer certain colors of seed.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Making your own glass cleaner is easy, effective and inexpensive!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!