4th - 8th Grade Science Activities : Page 19

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project idea examines whether boys and girls differ in reflexes.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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!

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea explores whether color affects a person's emotional state.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Discover which fabrics shrink the most in the wash and why.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!