Curated OER
Let's Investigate Tooth Decay
Students conduct a simple investigation to explore tooth decay.
Curated OER
Sow Bug Habitats
Students conduct an experiment to determine what type of environment sow bugs prefer. They use petri dishes with partially wet paper towels to assess whether they prefer wet or dry habitats.
Curated OER
Space-Age Experiments
Learners evaluate the notion of aging by reviewing some of the studies that occurred on John Glenn's space shuttle mission.
Curated OER
Enzymes in Action: An Inquiry Approach to the Effects of Enzymes
Students experiment with enzymes as key components of chemical reactions in all living things through this series of lessons.
Curated OER
Escape! Survival of the Fittest Grasshopper
Fourth graders, in groups, design a paperclip grasshopper. They determine its ability to survive a prey by jumping high, far, or with a distracting behavior.
Curated OER
Squirrel Challenge
Students utilize The Nature Park Adventure educational software program to Introduce Modelling, Including the Estimation of Angles.
Curated OER
Wind Gauges
Students use FoilSim interactive software to become familiar with the way in which the flow of air across or around an airfoil affects its ability to create lift.
Curated OER
Showing the Lift Equation
Pupils read an explanation from a NASA Web-based textbook, then demonstrate an understanding of the text by using it, along with FoilSim, to complete an activity that manipulates the lift coefficient equation.
Curated OER
Investigation of Timbre
Students design an experiment to analyze the timbre of different instruments. In this physics lesson, students analyze the missing quality in sound. They discuss their results in class.
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.
Biology Corner
Biology Corner: Identifying Variables in an Experiment
Students analyze different experiments to determine independent variables, dependent variables and control groups.
Science Education Resource Center at Carleton College
Serc: Investigating Calculating the Effect of Mass, Length and Displacement
In this physics lab activity students 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...
CPALMS
Florida State University Cpalms: Florida Students: Identification of Variables
An explanation of how dependent and independent variables are used during experimentation.
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...
American Chemical Society
Middle School Chemistry: Lesson Plans: Does Temperature Affect Dissolving?
Young scholars identify and control variables to design an experiment to see whether the temperature of a solvent affects the speed at which a solute dissolves.
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 2
This lesson will explain the difference between independent and dependent variables. It is 2 of 4 in the series titled "Independent/Dependent Variables."
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 3
This lesson will explain the difference between independent and dependent variables. It is 3 of 4 in the series titled "Independent/Dependent Variables."
Vision Learning
Visionlearning: Research Methods: Experimentation in Scientific Research
An explanation of scientific research using variables and controls.
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."
American Chemical Society
Inquiry in Action: Crushing Test
This lab activity will have students crushing crystals to learn about variables and the importance of controlling those variables. Lab activity includes student and teacher instructions.
TeachEngineering
Teach Engineering: Are You in Control?
This lesson teaches the engineering method for testing wherein one variable is changed while the others are held constant. Learners compare the performance of a single paper airplane design while changing the shape, size and position of...
Science Education Resource Center at Carleton College
Serc: Investigating Motion: Calculating and Graphing Students Walking Speed
In this activity young scholars will collect and analyze data of their walking speed. They will compare their speed to an outside speed walker. They will determine their speed every 20 meters up to 100 meters. They will complete five...
Science Education Resource Center at Carleton College
Serc: Physiology Monitoring and Cycles Lab With Report
Using physiology monitoring, students will understand how to collect data using scientific methods in this activity. Students will also learn how to communicate the finding in a lab report. Physiology monitoring will include measuring...
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 1
This lesson will explain the difference between independent and dependent variables. It is 1 of 4 in the series titled "Independent/Dependent Variables."
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