Did you know that birth and life rates vary across the world? The resource, the second in a six-part series, discusses just how demographics differ across countries and why it might be the case. Scholars complete worksheets, watch...

It's all just a matter of time. The resource provides four Fermi questions in reference to time. The questions are open-ended and require classmates to make use of estimation and dimensional analysis.

As part of a close reading activity, individuals respond to three questions and craft two short essays based on a passage about Islam, one of the world most widespread religion.

Welcome to Biology! Introduce pupils to a subject conceptualized by Aristotle in 300 BC through a presentation and worksheet. It covers the themes of biology, characteristics of life, the scientific method, microscopes, and measurements.

Churches have been tax-exempt since the founding of America, but should they be? Pupils ponder the question as they browse the website in preparation for a class debate or discussion. They research the history of tax-exemption for...

Does lowering the corporate tax rate help create jobs in the United States? Learners explore the top pro and con arguments and quotes relating to the issue. They read background information about the creation of the federal corporate...

Bayer Pharmaceuticals sold heroin as a cough medicine in the 1900s ... who knew? Scholars discover this, and other interesting facts, when they use the resource to prepare for a class discussion or debate. They browse videos, readers'...

What do Mike Tyson, Ellen DeGeneres, and Paul McCartney have in common? They're all famous vegetarians. Using the resource, scholars learn about the pros and cons of eating a vegetarian diet. They read a fascinating history of...

Is screen time dangerous time? Scholars take a close look at the facts surrounding video games and violence. Pros give evidence connecting violence to video games while cons suggest there is no relationship.

Humans have only inhabited the earth for a fraction of the time that life has existed. Young scientists explore the facts about the emergence of life on Earth with an interactive resource. While highlighting different types of life, the...

Without the greenhouse effect, Earth would not be inhabitable. A thorough online resource describes the greenhouse effect and how it occurs. The source highlights the different types of gases that work together to absorb the sun's...

It is colorless and scentless, but it makes a large impact on the environment. Learners explore carbon dioxide emissions and what they mean for the environment using an interactive graph. They review changes over time and how they impact...

Kick-start a discussion of the importance of biodiversity with a colorful resource that touts the benefits of maintaining healthy ecosystems. The images stress the interdependence of all the elements of an ecosystem.

For as small as they are, there sure is a lot of information for young scientists to learn about bacteria. Help simplify the subject with this instructional presentation that explores the structure, nutrition, and reproduction of...

Present perfect tense doesn't mean that something is perfect, just that it's continuing from the past into the present. Demonstrate proper usage of present perfect verb tense with a slideshow presentation, which features a passage...

Young astronomers learn about the Big Bang Theory and redshift through a hands-on activity in the last installment of a three-part series. Participants draw dots on balloons and then inflate them to model how galaxies moved farther apart...

There are more than 600,000 asteroids in our solar system. Pupils analyze images of two asteroids in order to determine if they are the same age. They count craters for each asteroid and compare numbers. 

In the 19th activity of 22, learners determine if distance from a light source affects photosynthesis. Participants capture oxygen in straws and find that the amount of water the gas displaces is proportional to the rate of photosynthesis.

Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final activity of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids....

Math whizzes answer multiple choice questions about standard form, expanded form, and more. They complete 10 questions total.

Students study populations throughout History.

Pupils investigate the concept of a model and how it is used to represent something that is real. They recognize how the model can be applied to other types of concepts like the solar system. Students create a scale drawing of a house or...

Filled with valuable key points and terms about American economics in the private and public sectors, these slides will inform both your economics and history classes about the ins, outs, and intricacies of the U.S. economy. A navigation...

Present the water cycle to your middle schoolers with this lesson. After an anticipatory set, they participate in a Q & A session about the terms associated with the water cycle: evaporation, transpiration, condensation, and...