Preschool - 1st Grade Science Activities

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this activity, your child will be challenged to make a tower using paper cups.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Learn all about balance and motion as your child designs a corn maze!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Create a self-portrait from natural materials in this collage craft activity!

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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!

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!