Preschool - 2nd Grade Engineering and Science Inquiry Activities : Page 3

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea demonstrates that plants give off water.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project teaches students about wilting and browning of salad greens.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

The objective of this science project is to determine the length of time for different seeds to germinate.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This project determines what category of person is most likely to be ticklish.