Showing Results for two digit using place value : Page 23

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Science fair project that explains and demonstrates the parallax principle.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

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.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.