Showing Results for all about double digit : Page 18

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.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Determine which metal has the highest rate of conductivity.

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.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Here's a guide to starting a community clean-up project from scratch.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a science activity to help your child investigate how seeds are designed to travel.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.