4th - 8th Grade Science Resources : Page 20

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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

This science fair project idea explores which fruit molds the fastest.