Science Buddies
Science Buddies: Scientific Method Variables/hypothesis
Find out what variables are in a scientific investigation and what the difference is between an independent, dependent, and controlled variable. Look at samples of different types of variables and find out what makes a good variable.
CK-12 Foundation
Ck 12: Biology: Science Experiments
[Free Registration/Login may be required to access all resource tools.] Covers the scientific experimental design.
McGraw Hill
Glencoe Publishing: Practicing Scientific Processes
This site from Glencoe Publishing not only explains hypothesis but also tells how to design an experiment to test your hypothesis. Includes the difficult task of "Separating and controlling variables."
Vision Learning
Visionlearning: Research Methods: Experimentation in Scientific Research
An explanation of scientific research using variables and controls.
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.
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.
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.
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...
Khan Academy
Khan Academy: Polygenic Inheritance and Environmental Effects
Learn about traits that are controlled by multiple genes and/or influenced by the environment. Understand penetrance and expressivity.
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.
Cengage Learning
Cengage Learning: Project Based Learning: Egg Drop Experiment
Students are challenged to design a way to drop a raw egg from varying heights without letting the egg break. Creative thinking and evaluation of results are critical to the project.