Showing Results for two digit using place value : Page 12

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

This science fair project idea explores substances that cause a bubble to last longer.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea determines which flower lasts the longest.

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

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

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

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.