Curated OER
Temperature and the Density of Air
Here is a hands-on activity in which junior scientists put air into a balloon to create a closed system. They measure its circumference, warm it in hot water, and then remeasure its circumference to discover how temperature affects the...
Curated OER
Ecosystems
An in-depth look at ecosystems is outlined in this 13-slide PowerPoint. Students will learn about different types of ecosystems on our earth. An activity is provided on slide eight, as well as three scenarios to analyze on slide nine....
Curated OER
Do You See What I See?
Second graders view a teacher-created terrarium, and complete a KWL chart. They discuss what they can see, Students go on a nature walk and compare the schoolyard to the terrarium, discussing the roles of rocks, plants, soil, and water...
Curated OER
Effects of Nitrate and Phosphate Changes on the Growth of Algae
Students determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.
CK-12 Foundation
Ck 12: Conservation of Energy
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students are asked to demonstrate and apply the law of conservation of energy in one dimension.
TeachEngineering
Teach Engineering: Dome It Challenge
Students brainstorm, identify, and explore the pathways where their food, water, and energy originate, and where wastewater and solid waste go. They learn that resources are interdependent and that recycling wastes into resources is key...
CK-12 Foundation
Ck 12: Conservation of Energy
[Free Registration/Login may be required to access all resource tools.] Students investigate how all types of energy, including work, relate to each other and are conserved in a closed system.
CK-12 Foundation
Ck 12: Conservation of Momentum in One Dimension
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will apply the concept of conservation of momentum using action and reaction forces.
Sophia Learning
Sophia: Entropy and Negentropy: Lesson 2
At the end of this tutorial, the learner will understand the concepts of entropy and negentropy and will understand that systems gradually move towards entropy unless additional energy is introduced to them. It is 2 of 3 in the series...
The Environmental Literacy Council
Environmental Literacy Council: Matter
Learn about the considerable variety of materials on Earth, and the basic properties which set them apart. Read how all matter on Earth comes into play when it comes to environmental issues.
CPALMS
Florida State University Cpalms: Florida Students: Conservation of Mass Tutorial
Learn how mass is conserved in physical and chemical changes.
American Geosciences Institute
American Geosciences Institute: What Is the Water Cycle?
See Earth's water cycle as a closed system, where all the water is cycled through the atmosphere.