In this basic astronomy worksheet, students respond to 20 true or false questions pertaining to the Earth, the Sun, and Earth's moon.

Middle schoolers explore the potential challenges of living in space.  In this investigative lesson students search the Internet to locate 16 nations that are working together to build the Independent Space Station, then they divide...

Students study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are examples of...

In this reading comprehension and verb tenses practice activity, students read a passage and respond to 10 true or false questions.

Students investigate the motion of Mars. In this space science lesson, students use transparencies to trace the path of Mars through constellations. Students discuss the characteristics of the planet.

Students examine their shadows and why they are different in the summer and winter.  In this seasons lesson students complete an activity to see how the earth's tilt on its axis changes the length of shadows. 

In this online interactive world history worksheet, students answer 20 matching questions regarding the Scientific Revolution. Students may submit their answers to be scored.

Tenth graders explore the planet of Mars. In this Earth Science lesson, 10th graders read articles on the make up of Mars. Students complete a worksheet on their reading.

In this interactive prepositions worksheet, students practice using prepositions in sentences. Students choose the correct preposition for each blank in the passage. There are fifteen in all.

Students explore chemical solutions. In this chemistry lesson, students investigate the relationship between three related experiments about solutions. Students determine variables that affect the chemical concentration of each solution.

In this reading comprehension worksheet, students read a passage about Pluto, then complete a set of 5 multiple choice questions. An answer key is included as well as a reference web site for additional activities.

For this estimation worksheet, students use information about planets, given in a table, to complete a 16 question quiz. Answers are included on page 2. A reference web site is given for additional activities.

In this science:  space quiz activity, students answer twenty questions, not interactively, about outer space, then scroll down to find the answers.

For this intermediate sentence completion exercise 31 worksheet, students complete 10 sentences interactively by selecting the word(s) given, with immediate feedback.

For this online interactive grammar skills worksheet, students examine 10 sentences that are missing words and select the appropriate words to complete each of the sentences and match them to the sentences. Student answers are...

Students build a sundial to measure the local noon time. In this third grade science lesson, students build a sundial out of common materials and align to measure the local noon. This lesson is a hands-on tracking of the sun, and allows...