Showing Results for recognizing angle measure as additive

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

This science fair project idea explores the egg's thin membrane.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project idea explores whether white light can be separated into different colors.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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?

Introduce your child to the amazing, almost magical phenomenon of static electricity!

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 child will be challenged to make a tower using paper cups.

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!