4th - 7th Grade Science Activities : Page 14

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project teaches students about wilting and browning of salad greens.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project idea determines the probability of a coin landing heads or tails.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

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

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

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Help your child plant a âtea garden": a garden made of herbs for making teas.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

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

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.