5th - 7th Grade Engineering and Science Inquiry Resources : Page 3

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

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

This project examines whether people's taste perception is influenced by what they see.

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

This experiment will evaluate if chewing gum affects students' test performance.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea investigates how magnetism can defy the force of gravity.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

This science fair project idea investigates how color affects temperature.

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

In this design challenge, students will be tasked with creating a bouncy ball polymer!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores which fruit molds the fastest.

Find out which type of sponge holds the most water.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.