Rates of Change
In this rate of change worksheet, students read about how to calculate the rate of change in different processes such as plant growth. They are given example problems and practice calculating rates of change.
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A Catalyst and the Rate of Reaction
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
6th - 8th Science CCSS: Designed
Investigating the Effect of Physical Exercise On Pulse Rate
The final lesson in the 10-part biology series encourages scholars to explore pulse rate. Through measurements of resting pulse and after periods of exercise, scholars graph the changes physical exercise causes.
9th - 12th Science CCSS: Adaptable
Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E
What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...
5th - 9th Math CCSS: Adaptable
Climate Change: The View From MinuteEarth
How does climate change look from where you're sitting? See the view from around the world in an animated video. The writers from Minute Earth share how changing conditions are impacting the economy, health, and well-being of their...
3 mins 6th - 12th Science CCSS: Adaptable
Increased Emissions—Climate Change, Lines of Evidence: Chapter 4
Earth naturally creates carbon dioxide, so how do we know the atmospheric increase is related to humans? The fourth video in a seven-part series explains the evidence that points to humans as a reason for this increase. The factors that...
5 mins 7th - 12th Science CCSS: Adaptable
Is Climate Change Just a Lot of Hot Air?
While scientists seem to agree about global warming, is it just related to increases in air temperature? The video explains that global warming is related to ground temperature, air temperature, and, most of all, ocean temperature. It...
2 mins 6th - 12th Science CCSS: Adaptable
Climate Change: Earth's Giant Game of Tetris
In this colorful animation, our current problem with climate change is likened to a block-stacking game of Tetris. Greenhouse gases are increasing in the atmosphere at an increasing rate. Can we place them properly before it's too late?...
3 mins 6th - 10th Science CCSS: Adaptable
New Review Make a Conjecture—Cardiac Output, Rates of Change, and Accumulation
Pour your heart into a resource on cardiac output. The first of four lessons introduces the investigation pupils carry out over the course of the Cardiac Output unit. Scholars make conjectures on the relationship between time and...
9th - 12th Math
How to Speed Up Chemical Reactions (and Get a Date)
How are chemical reactions like dating? A collision must first occur! In this hilarious approach to speeding up chemical reactions, viewers find out that five changes can increase the rate of reaction: smaller space, increased number of...
5 mins 9th - 12th Science CCSS: Adaptable
New Review Investigating Temperature Changes on Evaporating Liquids—Microscale Chemistry
Is there more to evaporation than just less liquid? Show young scientists the energy transformation that occurs during a phase change through a series of simple experiments. Lab partners place drops of water, ethanol, and ethoxyethane on...
6th - 12th Science CCSS: Adaptable