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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

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

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

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

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.

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.

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!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Here's a simple science activity that will help your child better understand how wells bring us water.

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

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 project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This science fair project teaches students the differences between fruits and vegetables.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.