Kindergarten - 4th Grade Engineering and Science Inquiry Resources : Page 19

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Construct and experiment with a periscope using reflected light rays to gather an image.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

Determine if gender affects the ability to identify different smells.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Do you think heat can affect a plant's growth rate?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!