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Showing Results for measuring with rulers

This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Measuring Magnification

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Measuring Raindrops

Our baked French toast recipe is particularly tasty on a chilly winter morning. Make our baked French toast recipe with your child to teach them about measuring.

Baked French Toast Recipe

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Pumpkin Investigation

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Bouncy Balls

Use familiar household items and decorations to turn estimation into a fun game!

Estimating Numbers

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Estimating Area

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Button Launcher

Help your child learn healthy eating habits by transforming every kid's favorite food into a healthy, flavorful after-school snack.

Bake Pizza Muffins

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

Math in the Kitchen

Making your own glass cleaner is easy, effective and inexpensive!

Make Your Own Glass Cleaner

Take play-dough to the next level with this homemade recipe, adding surprising ingredients perfect for summer!

Sand Dough

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How Much Radiation is in Your House?

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

Homemade Perfume

This science fair project will help students learn about non-vascular plants, such as mosses.

Water and Mosses

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

Soap Bubbles

Encourage your child to eat nutritiously by having them build this delicious summer fruit cone!

Recipes for Kids: Fruit Cone

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Can superabsorbent polymer crystals absorb any other liquids besides water?

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Make a Fistful of Slime!

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Pumpkin Measurements

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How to Make an Anemometer

This science fair project explores how osmotic pressure forces water through the root up into the plant.

How Does Water Travel Up the Root of a Plant?

Create a special Father’s Day surprise by planning and mapping a hike around the neighborhood!

Plan a Father's Day Hike

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Homemade Ketchup

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Celebrate Kwanzaa: Weave a Mkeka

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Density Demonstration

Your fourth-grader can hone her baking skills with this classic American recipe the whole family will enjoy!

Pineapple Upside-Down Cake

You and your fourth grader can pay homage to the 2010 Winter Olympics held in Vancouver, Canada, by baking up a batch of maple leaf pancakes!

Bake a Batch of Maple Leaf Pancakes

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

Reuse Markers to Create Liquid Watercolors

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