4th - 7th Grade Science Activities : Page 20

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Learn whether writing things down really makes things easier to remember.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

This science research project challenges students to think of more effective lobster farming methods.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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?

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

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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

An home science experiment for older students that teaches about the science behind heat.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.