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Showing Results for recognizing angle measure as additive

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Angle of Heat

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Flat Earth? Not Really!

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Measure Your Pulse with a Straw!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Ping Pong Ball Anemometer

In this science fair project, students make their own rain gauge to measure rainfall.

DIY Rain Gauge

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Make a Sand Clock

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Passive Solar Heating

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Measuring Raindrops

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

Measuring Magnification

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

Dig This: Biodegradation

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How Much Sugar?

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

Pumpkin Investigation

Construct and experiment with a periscope using reflected light rays to gather an image.

Periscope Construction

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Use the Altitude of Polaris to Find Latitude

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

Do You Need To Plant Seeds a Certain Direction for Them to Germinate? 

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

Perplexing Pendulum

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Work and Energy

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Can Taste Buds Detect MSG Levels?

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

How Long is Your Shadow on the Shortest Day?

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

Do Plants Need Water?  

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Throwing a Baseball

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

Egg Lab

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

Does Adding Salt to Pasta make it Cook Faster?

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Chemical Indicators

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

How Much Radiation is in Your House?

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

Can White Light Be Separated?

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Make a Pinhole Projector!

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

Comparing Implements for Writing

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