4th - 7th Grade Engineering and Science Inquiry Activities : Page 4

In this fun activity, your child will create their very own solar oven to bake s'mores!

This experiment investigates the relationship between the temperature of a candle and its burn rate.

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

In this design challenge, your child will make a bottle rocket using typical household items.

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Find out whether a longer airplane will fly farther or a wider paper airplane.

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.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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

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

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.

This science fair project idea determines if the color of light affects the growth of plants.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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!

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!

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project idea explores the different properties of matter.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Test whether plants can grow without sunlight and water.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

The goal of this project is to create an exciting topographical map out of dough.