Showing Results for two digit using place value : Page 10

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Find out whether putting something on top of a plant will inhibit its growth.

Test out various brands of permanent markers to see which one is least water soluble.

The goal of this project is to create an exciting topographical map out of dough.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

This science fair project idea investigates how different disinfectants work in killing germs.

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea discovers the effect of (high) heat on animal cells.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

This science fair project idea determines the most effective method of preserving food.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

This experiment explores the trend of reactivity in the alkaline earth metals as you go down the second column of the periodic table of elements.