Showing Results for three digit using place value : Page 4

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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

This surprisingly good glue recipe comes from common kitchen items.

This science fair project idea explores substances that cause a bubble to last longer.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea compares biodiversity between drops of water.