Ready for a change? Give a comprehensive collection of metamorphic materials a try! With the assortment of printables and lab activities, you won't be under pressure to keep things lively. The unit culminates by having...

Don't lift another finger, this physical and environmental science unit has everything you need to begin teaching your class about energy. Starting with a look at the greenhouse effect, these lessons and activities take young scientists...

Students analyze why the Colonial Revival came as a response to cultural changes caused by technological development, industrial growth, and changing populations in Deerfield and the Connecticut River Valley.

This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 2 of 4 in the series titled "Passive Transport."

This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 2 of 4 in the series titled "Active Transport."

This lesson introduces the process of passive transport, explaining that it is a form of transport that does not require energy, and moves molecules down their concentration gradient. It is 3 of 4 in the series titled "Passive Transport."

[Free Registration/Login Required] Students read an informational text about a possible new form of transportation and answer questions on comprehension, text support, main idea, vocabulary, and more. Links to a paired text and paired...

This lesson explains the process of osmosis. It explains how osmosis is a passive form of transport, used to move water molecules across a semi-permeable membrane, down their concentration gradient. It is 1 of 8 in the series titled...

This lesson explains the process of diffusion. It explains how diffusion is a passive form of transport, used to move molecules down their concentration gradient. It is 1 of 8 in the series titled "Diffusion."

This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 3 of 9 in the series titled...

This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 4 of 9 in the series titled...

Choose "usted" command forms from a word bank to complete sentences that offer advice to drivers. Practice the imperative and learn driving vocabulary at the same time. Answers may be checked at the end of the exercise. Tutorials in...

Conjugate each verb in the "usted" command form in this article to offer advice on driving in caravans. Answers may be checked at the end of the exercise. Tutorials in other langauges available from the homepage.

Conjugate verbs in the "usted" command form to complete sentences that offer advice on freeway and highway driving. Practice the imperative tense and learn driving vocabulary at the same time. Answers may be checked at the end of the...

Practice conjugating verbs in the preterite or imperfect tense in the context of this news article. The article reports a bus accident in which 19 Catalans died in Spain. After filling in the blanks with the correct forms of the verbs,...

A lively introduction to Mandarin Chinese in 10 short parts in the form of slideshow presentation with audio content. Useful phrases with tips on pronunciation and grammar, cultural notes, self-evaluated challenge for comprehension are...

[Free Registration/Login may be required to access all resource tools.] Discusses how waves cause erosion of shorelines, features formed by wave deposition, and ways to protect shorelines from wave erosion.