Showing Results for three digit using place value : Page 9

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this science fair project, students create their own miniature salt flats at home.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.