Preschool - 5th Grade Engineering and Science Inquiry Resources : Page 20

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

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

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This project examines whether playing music during class helps students learn or if it distracts students from learning.