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Showing Results for and three digit numbers

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Memorizing Numbers

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Seeds x Three

This project examines whether humans can intuitively grasp numeric values greater than three.

Do humans understand values greater than three?

This project examines whether and what associations exist between numbers and letters and colors.

The Color of Numbers and Letters

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

Dig It! #3

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

This science fair project idea  examines the actual cost of three household light bulbs by testing energy consumption.

Shedding Light on Energy Efficient Bulbs

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Comparing Different Methods of Assessing Turbidity

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

3-D Model of the Sun

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

How Much Can One Family Reduce Their Garbage?

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Seed Storage Study

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

How do Crystals Form?

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Wrinkle Removal Products

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Sorting Out the Scientific Method #3

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for &ldquo;something that will improve the school.&rdquo;

Design Challenge: Improve the School

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

With your experiment data and analysis in hand, it&rsquo;s time to draw your conclusions!

Design an Experiment Part 3: Draw a Conclusion

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Retaining Information

Introduce students to the term **algorithm** using the familiar story of The *Three Little Pigs*. In this lesson, students will develop an algorithm, or a step-by-step **sequence** of instructions, for building a house made out of bricks.


Little Pig Algorithm

Introduce students to the third step of the engineering design process with this helpful template!

Engineering Design Process Part 3: Test Your Solution

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

Evaluating Benford’s Law

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Memorizing Techniques

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

The Science of Human Error

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Pay Attention! A Parametric Study of the Stroop Effect

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Improving Memory

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Gender Probability: Male and Female Chromosomes

Find out whether matte or shiny nail polish lasts longer.

Which Nail Polish Lasts Longer: Matte or Shiny? 

This science project examines the thermal properties of several major greenhouse gases.

Greenhouse Gases

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Rolling Friction

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