Preschool - 3rd Grade Engineering and Science Inquiry Resources : Page 11

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Cleaning can be a chore, but not with this sudsy experiment!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

In this science fair project, young children notice and track changes in trees throughout the year.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Learn how different types of soil affect how animal tracks form in this experiment!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Word color association is just a fancy way to talk about the way we connect colors with words.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.