Showing Results for three digit using place value : Page 28

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea raises awareness of a real ecological issue.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This experiment will explore the best way to create a perfect soft-boiled egg.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

This science fair project idea investigates how the shape of an object affects drag.

This project determines how much the rebound rates of tennis balls change after ten games.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

This science fair project idea explores whether the color of surroundings affects human mood.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Find out whether a longer airplane will fly farther or a wider paper airplane.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

This experiment explores how listening in to a one-sided conversation affects concentration.