Students study about electrochemistry by increasing their understanding of electron transfer and its role in chemical changes. They explain that energy appears in different forms. Heat energy is in the disorderly motion of molecules.

Here is a well-designed science lesson that shows learners that everything that organisms do in ecosystems, including running, breathing, burrowing, growing, requires energy. After a thorough discussion of their own eating and drinking...

Students pretend they are water droplets traveling through the water cycle. Using their text, they discover the steps in the cycle and the different paths water can take. They write a report about their journey through the water cycle...

Students discuss what heat is and how it travels. They discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.

Fourth graders engage in this interactive lesson which illustrates diffusion and osmosis and shows them that molecules of life move dynamically and powerfully. They must analyze their lab orally and in writing.

Should people be more worried about cell phone radiation? Scholars read extensive background information about the issue to prepare for a class discussion or debate. As they explore the website, they learn the main arguments for and...

Is obesity a disease or just a preventable risk factor for other diseases? Scholars attempt to form their own opinions by reading a background of the issue and watching videos that explore the main pro and con arguments using an included...

Young scholars examine ocean life by identifying methane hydrates.  In this ocean life lesson, students research organisms that live in the coldest, deepest parts of the ocean and live off methane hydrates.  Young scholars...

Students discover the different forms of water on Earth. For this states of water lesson, students read material on the different forms of water and how they are created. The students answer written questions on worksheets.

In this biology worksheet, students explain where the energy of food originally came from. Then the explain one of the principal chemical compounds that living things use to store energy. Students also describe how ATP and ADP differ and...

In this cellular respiration and photosynthesis worksheet, students read through the presented material and draw an illustration of the production of ATP. Students answer several short answer questions about the production of ATP,...

Learners explore the different properties of water. They experimenting with different activities, each one explaining a different property of water. Students read an article "Small, Ues, But Might: The Molecule Called Water." and then...

Students investigate their environment by growing plants in class.  For this botany lesson, students discuss the lifespan of plants and animals and how they must be cared for continuously over time.  Students grow a plant in...

In this weird water worksheet, students read for information and assess comprehension. In this true and false, fill in the blank, and multiple choice worksheet, students answer ten questions.

Learners are introduced to the process of photosynthesis. In groups, they test the effects of the lack of sunlight on plant leaves and compare the results with their hypothesis. They note the characteristics that plants and animals share...

Organelles, cellular respiration, ATP, and DNA. The passage attached to this life science reading comprehension activity is all about cells. After reading about diffusion and osmosis, kids answer a series of questions based on the text.

Students explore decomposition. Students define and describe  components of the decomposition process. Students make a composter in a terrarium. Students record observations and changes weekly, drawing conclusions about the results...

Students investigate air by participating in a class experiment. In this matter measurement lesson, students identify air as a gas which consists of mass. Students utilize a windsock or balloon to measure oxygen and explore it's true...

In this water on the moon activity, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write,...

Fourth graders examine the interdependence of the oxygen and carbon dioxide cycle in an ecosystem through a laboratory investigation. After a lecture/demo, 4th graders complete the lab in groups.

In this fungus non-fiction reading comprehension worksheet, students read a 3 page selection that describes the characteristics and life of fungi. They answer 10 questions based on the reading which include true or false, multiple...

Students investigate bio-fuel. In this investigative lesson, students create bio-fuel from vegetable oil waste. Students will analyze, predict, collect and synthesize data from their experiments with bio-fuel.

in this working with tenses worksheet, students identify time expressions in sentences. Students then determine the tense of each of the verb phrases and create new sentences.

In this elements worksheet, high schoolers review the most common elements found in living things. Students color in two pictures with the percentages of the elements found in that living thing.