Preschool - 4th Grade Engineering and Science Inquiry Resources : Page 9

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science fair project idea explores substances that cause a bubble to last longer.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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?

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

In this project students experiment with making music using only glasses of water.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

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

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.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This biodiversity project examines the biodiversity in your own backyard.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.