In this math worksheet, students read and solve 5 story problems which involve fractions with like denominators. Some of the fractions are expressed in word form.

In this alphabet worksheet, students cut out and assemble a 27 page mini book that has one page for each letter of the alphabet with a picture of a word that starts with that letter. There is nothing to color or write. Students read...

Students solve the mysteries of why Karl Vogt and Erich Braemer were on the Christmas Train. They review the definitions of the terms constitutional, human rights, due process, discovery, and the writ of habeas corpus. They review the...

Students explore the theories of the creation of the universe and examine the properties of celestial bodies. They analyze the relationship between the sun, Earth and the other planets.

Students explore the theories of the creation of the universe and examine the properties of celestial bodies. They analyze the relationship between the sun, Earth and other planets. They discover the infinite potential of the science of...

Students use old "B-Movies" as a springboard to discuss and analyze traditional plot structures. They form groups and make their own 'movie' to demonstrate their knowledge.

Students model how satellites transmit data by using numbers not images.

In this ESL vocabulary building instructional activity, students analyze that sentences that have missing words. Students fill each blank with just, yet or already.

In this ESL must/have to vocabulary activity, students read 10 sentences and fill in the correct word. There is no instruction on the page about the correct use of "must" or "have to."

A learning module that begins with "Was Einstein a Space Alien?" by NASA Science News, accompanied by guided reading questions, assessment questions, and discussion questions. The text can be printed as a PDF or assigned online through...

Does alien life exist? Explore the arguments both pro and con. Make your own opinion known by participating in an online poll and then find out what the majority believe.

Alien life is often theorized in many ways throughout popular culture. This site by the Public Broadcasting System attempts to shed light on the studies and exploration that are currently underway to uncover such life. This well rounded...

Chris Anderson presents an animated exploration of the famous Fermi Paradox and questions why we haven't yet seen apparent signs of alien life. [6:04]

Enter the Extraterrestrial Gene Therapy Lab to test your knowledge of gene therapy when you treat three ailing aliens who have genetic disorders.

How do you recognize life on another planet? What tests do scientists use to determine if something is a life form when they are many light years away from being able to observe it directly? Try your hand at interactives to create a...

Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT- or the equation Distance = Rate x Time- we can calculate their rates, using the distance they traveled and the time they took....

Students review addition while playing this learning game. Students shoot the spaceship that has the addition problem that matches the given solution.

Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.

New technologies are continually being developed to help us look deeper into space to discover new planets and to search for other intelligent life forms. Learn about some of these initiatives here.

Explore the solar system like never before with this photograph viewer. Choose the planet, then scroll through the many beautiful photographs taken by space missions. Read about how each photo shows evidence of the presence of ice.

Have you ever wondered if aliens really exist? So do astrobiologists. Their job is to find out if life exists in space. Cool Cosmos and NASA provide the answers to the most frequently asked questions about this topic.

Carl Sagan and Frank Drake make a case for exploring space to discover extraterrestrial intelligence.

Learn about the lives of stars, and how stars and planets form. The Interactive activity, 'Planet Families' requires Adobe Flash and cannot be launched.

Shoot the space craft with the correct addition problem for the given sum.