Showing Results for rounding-three-digit-numbers

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

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

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

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

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

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

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

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.

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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.

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will 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.

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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.

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

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

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.

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

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

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

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.

Find out whether matte or shiny nail polish lasts longer.