Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project that examines condensation and the conditions needed in order for dew to form.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This surprisingly good glue recipe comes from common kitchen items.

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea examines the reason boats are shaped and engineered.