Texas Education Agency
Texas Gateway: Experimental Design
Given investigation scenarios and lab procedures, students will identify independent variables, dependent variables, constants, and control groups.
Khan Academy
Khan Academy: Storing Data in Variables
Find out how computer programs instruct computers how to process data.
TeachEngineering
Teach Engineering: Balsa Glider Competition
The purpose of this activity is to bring together the students' knowledge of engineering and airplanes and the creation of a glider model to determine how each modification affects the flight. The students will use a design procedure...
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.
Vision Learning
Visionlearning: Research Methods: Experimentation in Scientific Research
An explanation of scientific research using variables and 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...
TeachEngineering
Teach Engineering: Mint Mobiles
Students design, build and test model race cars made from simple materials (lifesaver-shaped candies, plastic drinking straws, Popsicle sticks, index cards, tape) as a way to explore independent, dependent and control variables. They...
CK-12 Foundation
Ck 12: Chemistry: Scientific Experiments
[Free Registration/Login may be required to access all resource tools.] Experiments, experimental variables, and experimental controls are discussed.
TeachEngineering
Teach Engineering: Students as Scientists
This curricular unit contains two lessons that let students actually do the work of scientists as they design their own experiments to answer questions they generate. In the first lesson and its associated activity, students conduct a...
PBS
Pbs Teachers: Daredevil Ball Jump Ii Experiment
Make alterations in the variables of the original ZOOM Daredevil Ball Jump activity by heating or cooling the balls in the experiment. Predict how the balls' bounces will be affected by hot and cold, test the predictions and record the...
CK-12 Foundation
Ck 12: Biology: Science Experiments
[Free Registration/Login may be required to access all resource tools.] Covers the scientific experimental design.
Texas Instruments
Texas Instruments: Designing a Reaction Rate Experiment
In this activity, students will design, conduct, and report the outcome of an experiment in which they investigate some factor that affects the rate of reaction between baking soda and vinegar. The dynamic nature of the reaction, coupled...
Better Lesson
Better Lesson: Force and Motion Investigation
Conduct an investigation collaboratively on the effect of force applied on an object to produce data to serve as the basis for evidence, by using fair tests in which variables are controlled and the number of trials are considered.
TeachEngineering
Teach Engineering: Better by Design
The purpose of this activity is to use a scientific method to determine the effect of control surfaces on a paper glider. The students will construct a paper airplane/glider and test its performance to determine the base characteristics...
TeachEngineering
Teach Engineering: Will It Fly?
In this lesson, students will learn about kites and gliders and how these models can help in understanding the concept of flight. Students will design and build their own balsa wood models and experiment with different control surfaces....
Michigan State University
Michigan State University: Lets Net: Growing Plants Unit
In this unit, students can learn about the affects of water, soil, and sunlight on plant's growth while learning about the scientific process. Unit allows students to create a controlled experiment while studying plants.
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.
Science Education Resource Center at Carleton College
Serc: Inquiry: How Herbs Change Based on Growing Conditions
In this activity, students will develop writing, math, and inquiry skills by investigating the taste of basil. Students will test basil in different growing conditions while also comparing it to a controlled variable. Students will then...
TeachEngineering
Teach Engineering: Wet Pennies
Students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. The three liquids are water, rubbing alcohol, and vegetable oil; because of their different surface...
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."
Science Education Resource Center at Carleton College
Serc: Investigating Calculating the Effect of Mass, Length and Displacement
In this physics lab activity learners investigate how mass, length and angular displacement affect the period of a simple pendulum. Students control variables, testing one variable at a time, using manual techniques (stopwatch, human...
American Chemical Society
Middle School Chemistry: Lesson Plans: Does Temperature Affect Dissolving?
Students identify and control variables to design an experiment to see whether the temperature of a solvent affects the speed at which a solute dissolves.
TeachEngineering
Teach Engineering: Obi Wan Adobe: Engineering for Strength
Students conduct an experiment to determine how varying the composition of a construction material affects its strength. They make several adobe bricks with differing percentages of sand, soil, fibrous material and water. They test the...
TeachEngineering
Teach Engineering: Gears: Determining Angular Velocity
Students work as engineers and learn to conduct controlled experiments by changing one experimental variable at a time to study its effect on the experiment outcome. Specifically, they conduct experiments to determine the angular...
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