If any of the limiting factors in an environment change, both animal and plant populations also change. The video explains two different models of growth and the impact of limiting factors. It highlights the carrying capacity of an...

Along came a spider, who sat down beside her. She screamed, but RJ wouldn't smash it because spiders are a limiting factor for other insects in an ecosystem. In this video, other common limiting factors for populations are listed....

Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...

As the reality of population decline across many species becomes real, pupils learn about the variables related to changes in populations. They complete a simulation of population changes and graph the results, then discuss limiting...

How large can a population become? The fifth installment of a nine-part unit teaches young ecologists about limiting factors that determine the carrying capacity of species in the Sonoran Desert. Here is a PowerPoint to help present this...

Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...

Bored with your current biome bag of tricks? This bundle is a bountiful bag of biome fun! Travel the globe with seventh graders and explore the biotic and abiotic factors that define our world's biomes. Then, introduce a little...

What are the factors that limit growth and expansion? As part of their study of Catalina Island, class members view the West of the West's documentary Magic Isle and research William Wrigley and the Santa Catalina Island Company. After...

Who were the absolute monarchs of Europe and what effect did they have on their countries? Young historians begin by naming qualities they believe are important for a monarch to possess. They then take notes on four key factors...

This is not your run-of-the-mill multiplication chart. Going beyond the standard 12 x 12 limit, this resource includes multiplication facts up through 12 x 20, making it great for supporting children as they continue working toward being...

In 2016, one in every four fatal car crashes listed speeding as a contributing factor. Pupils view videos of a car trying to come to a quick stop from four different rates of speed. They use context clues to measure and determine the...

Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...

Water covers more than 70 percent of Earth's surface. Scholars learn about both freshwater and saltwater biomes in a simple presentation. They compare and contrast the differences in oxygen levels, food sources, and sunlight to better...

Tag, you're eaten! A lesson on predator-prey relationships uses the game freeze tag as a model. Learners become either a predator or prey and play a game of tag as the prey tries to reach areas that house food and shelter. During the...

How do advertisers influence consumers? The big idea here is that once consumers understand the factors that influence their desire for a product or service, they are better able to consider substitute and/or complementary products.

Two lessons, "What Does Cyber Bullying Look Like?" and "Factors Influencing My Reporting the Bullying of Others," serve as examples of the 12 included in a Bully Free curriculum. Each plan includes discussion questions, an activity,...

What are the factors that influence voting patterns? How do these factors influence government funding? Is participation the squeaky wheel gets the grease? Class members interpret graphs and analyze trends to determine what...

As part of a series of critical thinking exercises, kids consider issues of social justice, especially the factors that must be considered when trying to balance conflicting rights and freedoms.

What is the purpose of immigration legislation? How has this legislation evolved over the years? What are the factors that caused these changes? Class members research immigration legislation to determine whose rights the laws are...

What factors should parents and guardians consider when helping their children select high school courses each year? A presentation designed for Parent Information Night outlines the requirements students must meet in order to graduate.

Most people support the idea of an independent judiciary in theory until they hear about a court case that violates their principles. An informative resource explains why the concept is important. It also provides scholars of criminology...

Psychologists study human relationships while ecologist study relationships between organisms in the environment. An introduction to ecology and the related vocabulary benefits scholars as they progress through the presentation and...

Intelligence testing can be a useful tool—but what are its limits? Scholars explore the question, considering issues such as the role of bias, using authentic College Board materials. Learners also examine the psychological factors...

Create rows and rows of vegetables. Pupils use their knowledge of multiplication to find the number of vegetable shoots planted in a garden and ways to arrange the vegetables in the performance task. Teachers use the suggested unit...