3rd - 6th Grade Engineering and Science Inquiry Activities : Page 4

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this design challenge, your child will create a parachute for a small toy using typical household items.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this science fair project, students make their own rain gauge to measure rainfall.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

This science fair project idea investigates how color affects temperature.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

In this project, you will observe and record changes in sunspots over two weeks.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea determines what household items are good conductors of electricity.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!