Showing Results for three digit using place value : Page 23

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

This fascinating science fair project explores eye color genotypes.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

Test your skills as a weather forecaster, and learn some science terms on the way!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Check out this cool science fair project on identifying rocks and minerals for kids.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project teaches students about wilting and browning of salad greens.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.