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The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

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

Make this easy composting dessert and then enjoy the yummy results!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project idea determines if the color of light affects the growth of plants.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Evaluate if people are more influenced by video or audio advertising.

Determine whether the relationship between a personâs armspan and height are genetic.

Explore whether pianists have the tendency to type faster than non-pianists.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.

Looking for a fun way to encourage imaginative play? Try crafting these animal dice with your preschooler.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!