Kids get a lesson in estimation as they color objects that weigh more than a pound red and objects that weigh less than a pound blue.

Learn what Constitution Day is and why it’s important in this engaging passage!

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

In this worksheet, children read the story of Parks' act of passive resistance, then follow a series of thoughtful prompts to reflect on why the boycott was successful, as well as why it inspired the support of so many people around the United States.

Learn how to read climate maps and why they're useful in this worksheet that shows the climate of Africa.

Ever wonder why zebras have so many stripes? Find out with this fun worksheet all about the zebra!

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

Beware of walking under ladders! Find out the origins of this superstition and why people avoid walking under ladders.

What happened and why? Match the events in cause-and-effect pairs in this engaging reading comprehension worksheet!

After your students read an excerpt of The Land of the Blue Flower, ask them to respond to a writing prompt. Encourage them to use comparative works like similarly and unlike.

Learn why and how we celebrate Asian American and Pacific Islander Heritage Month with this engaging worksheet!

Learn more about why supply and demand change in this economics worksheet! 

Who, what, where, why, when: These are five very important words in our language. Use this worksheet to practice them!

Why is two thirds bigger than one half? Help kids visualize simple fractions with this beginner's practice page.

Students will answer who, what, when, where, when, why, and how questions after reading a story by Rudyard Kipling.

Help your child learn a little about endangered species and why they're in danger with this printable word search.

Read up on the various number superstitions around the world and why certain numbers are so lucky or unlucky for certain cultures!

Use this resource to help your students formulate who, what, when, where, why, and how questions when reading fiction texts.

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

Is a book a good or service? Why? Determine whether items are goods or services in this fourth- and fifth-grade worksheet!

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

There are many endangered species all around the world. Read about the Amur leopard and why it's endangered with this information page.

In this thoughtful opinion-writing worksheet, children will describe the season they like best, and why.