Showing Results for two digit using place value : Page 35

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Take a dive into the candy jar with this yummy science experiment.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea identifies and understands adaptations in birds.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Explore the neural and mental mechanisms at play in mental imagery.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project demonstrates the "power of conformity".

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This science fair project idea investigates how images are influenced by changes in light.

This science fair project examines whether ocean water can be made safe to drink.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Children use their design thinking skills and powers of observation to create and construct a bird nest.