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Showing Results for "three digit regrouping" : Page 5

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

developing a new improved cold pack

Developing a New, Improved Cold Pack

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

catalase enzyme activity

Catalase Enzyme Activity

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

flapper pie

Flapper Pie

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

brain freeze how does temperature affect your mind

Brain Freeze! How Does Temperature Affect Your Mind?

This science fair project explores how salt and sugar affect the melting rate of ice in water.

what makes ice melt faster

What Makes Ice Melt Faster?

Take a stab at 18th century American cooking with your kids by following this tasty recipe from one of the first colonial cookbooks.

bake colonial pumpkin pie

Bake Colonial Pumpkin Pie

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

effects of extreme temperature on battery life

Effects of Extreme Temperature on Battery Life

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

estimating numbers

Estimating Numbers

In this lesson, students explore absolute value with and without a number line, compare the absolute values of two numbers, and apply their understanding of absolute value to real-world contexts.

absolute value

Absolute Value

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

evolution of gas from yeast

Evolution of Gas from Yeast

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

make your own marshmallows

Make Your Own Marshmallows

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

telling time plate clock

Telling Time: Plate Clock

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

make magic ice

Make Magic Ice

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

keeping cut flowers fresh

Keeping Cut Flowers Fresh

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

when should you add creamer

When Should You Add Creamer?

Nothing says fall like pumpkin soup, but  it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

the perfect pumpkin soup

The Perfect Pumpkin Soup

Make sourdough bread...and learn some colonial history and modern science in the process!

sourdough science

Sourdough Science!

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

track the weather with weather charts

Track the Weather with Weather Charts

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

polygon perimeters with tantalizing tangrams

Polygon Perimeters with Tantalizing Tangrams!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.

measurement scavenger hunt

Measurement Scavenger Hunt

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

candy science experiments toffee

Candy Science Experiments: Toffee!

This simple experiment serves as an introduction to the greenhouse effect.

observe the greenhouse effect in a jar

Observe the Greenhouse Effect in a Jar

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

plants help keep a house cool

Plants Help Keep a House Cool!

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

fermentation as a function of sugar content in fruit juice

Fermentation as a Function of Sugar Content in Fruit Juice

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

why does honey crystallize

Why Does Honey Crystallize?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

how do icicles form

How Do Icicles Form?

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

dont have a meltdown

Don't Have a Meltdown!

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

bee watcher whats buzzing

Bee Watcher: What's Buzzing?

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

haunted house blueprint

Haunted House Blueprint

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

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