Showing Results for three digit using place value : Page 35

Evaluate the efficacy of different pain management techniques.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Test the combustion of different types of woods.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Find out which type of sponge holds the most water.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Here's a science activity to help your child investigate how seeds are designed to travel.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Discover whether the color of text correlates with ease and speed of reading.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables