Showing Results for two digit using place value : Page 16

Examine the impact of insecticides on plant growth.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Explore the relationship between personality traits and birth order effects.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project determines the quality of a given product.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Determine which metal has the highest rate of conductivity.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.