Showing Results for two digit using place value : Page 29

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

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 project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

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

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

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

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Test whether cutting up meats will make it cook faster than just cooking it whole.