Showing Results for experiments : Page 7

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This fascinating science fair project explores eye color genotypes.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.