Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

In this science fair project, students examine how temperature affects sugar transport within a plant.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This project examines how temperature affects the volume of gas in balloons.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.