CK-12 Foundation
Ck 12: Earth Science: Observations and Experiments
[Free Registration/Login may be required to access all resource tools.] Using observations and scientific experiments to test hypotheses.
CK-12 Foundation
Ck 12: Biology: Science Experiments
[Free Registration/Login may be required to access all resource tools.] Covers the scientific experimental design.
Khan Academy
Khan Academy: Storing Data in Variables
Practice variable assignment in the AP CSP pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Storing Strings in Variables
When we're making a program, we often want to store sequences of letters. In programming lingo, we call each letter a character and we call the sequence a string.
Khan Academy
Khan Academy: Storing Strings in Variables
Practice storing strings in computer programs, in this set of free practice questions designed for AP Computer Science Principles students.
CK-12 Foundation
Ck 12: Scientific Method
[Free Registration/Login may be required to access all resource tools.] Describe how the Renaissance period in history changed the approach to science. Identify the steps of the scientific method. Differentiate between the independent...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Celestial Globe Model
Users have the opportunity to adjust several variables in this simulation demonstrating the Ancient Greek's Two Sphere Universe theory.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Simultaneity Spacetime Diagram
Manipulate variables in order to observe the effects of relative motion on events such as an explosion and the time at which its light signal reaches a destination.
![Discovery Education: Science of Everyday Life: Cushion It! [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Discovery Education: Science of Everyday Life: Cushion It! [Pdf] Lesson Plan")
Discovery Education
Discovery Education: Science of Everyday Life: Cushion It! [Pdf]
Students investigate the best way to cushion wrap a sugar cube to protect it from a collision in this lesson plan. During their investigation, students learn about collisions and variables that affect collisions.
Bryn Mawr College
Serendip: Alcoholic Fermentation in Yeast
A text summary of what students learn in the Alcoholic Fermentation in Yeast lab, along with links to download Student Handouts and Teacher Preparation Notes in PDF or Word formats. Aerobic cellular respiration and alcoholic fermentation...
United Nations
Unesco: Algebra Review (In Arabic)
This page, part of a larger UNESCO site on math and science education, has 15 basic, open- and multiple-choice algebra questions, with the correct answer immediately following the question. Entirely in Arabic.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Twin Paradox Program
This model permits manipulation of variables in order to observe the effects of time dilation on twin objects, one moving and one not, as shown in a spacetime diagram.
CK-12 Foundation
Ck 12: Physical Science: Scientific Experiments
[Free Registration/Login may be required to access all resource tools.] Experiments, experimental variables and experimental controls.
Georgia Department of Education
Ga Virtual Learning: Causation
In this comprehensive interactive tutorial you will learn about cause and effect in disease occurrence.
CK-12 Foundation
Ck 12: Biology: Science Experiments
[Free Registration/Login may be required to access all resource tools.] Introduction to scientific experiments.
Khan Academy
Khan Academy: Storing Data in Variables
Find out how computer programs instruct computers how to process data.
CK-12 Foundation
Ck 12: Biology: Science Experiments
[Free Registration/Login may be required to access all resource tools.] Introduction to scientific experiments.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Reflection and Refraction Between Taut Strings Model
In this simulation, two strings with different densities are held tautly as a wave pulses along them. Variables can be changed to alter the relative densities of the strings, as well as the type of wave pulse.
Other
Skyline College: Phototrophs: Algae and Cyanobacteria
A lab activity where pond water samples are collected to observe the requirements for the growth of phototrophic organisms. To observe these requirements samples are separated into different variable groups. One group is incubated in the...
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.
Science Education Resource Center at Carleton College
Serc: Introduction to Texas Hurricanes
In this activity, students are asked to graph data about some 20th century hurricanes that hit the Texas coastline. For each graph, they are asked several questions about any apparent correlation between the different variables. Students...
Georgia Department of Education
Ga Virtual Learning: Association
The lessons in this comprehensive interactive module will help you understand relationships between exposure and disease and distinguishing between confounding and associated variables.
Hunkins Experiments
Hunkin's Experiments: Balance
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This pair of...
Hunkins Experiments
Hunkin's Experiments
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do and use...