Preschool - 3rd Grade Science Activities : Page 20

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

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.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Have your little astronaut create her own crater-filled moon with this fun craft project that encourages learning about the final frontier.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.