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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

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

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

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.

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

In this activity your child will create their very own marble maze!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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?

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Test whether plants can grow without sunlight and water.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!