Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Find out whether putting something on top of a plant will inhibit its growth.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Explore convex and concave objects and how they reflect light.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Find out which type of sponge holds the most water.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

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

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Discover whether the color of text correlates with ease and speed of reading.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.