NASA
Nasa: Mass vs. Weight
Several learning modules that explain the difference between mass and weight. Each module includes a video introduction and detailed lesson plan.
Utah Education Network
Uen: May the Force Be With You
Third graders will understand that the greater the mass of an object, the greater the force needed to change its motion.
Utah Education Network
Uen: It's a Weighty Matter
Third graders will understand weight, mass, and gravity.
Utah Education Network
Uen: Super Paper Planes
Activity helps students understand force, mass, and measurement.
TeachEngineering
Teach Engineering: Rock and Boat
Students observe Archimedes' principle in action in this challenge where a toy boat is placed in a container of water and a rock is placed on the floating boat. Students must explain why the water level rises/falls/stays the same based...
American Chemical Society
Middle School Chemistry: What Is Density?
Calculate the density of cubes made of different materials to determine what type of material it contains. Using this information explain that the size, mass, and arrangement of the atoms or molecules of a substance determines its density.
American Chemical Society
Middle School Chemistry: Density of Water
Learners discover the concept that density is a characteristic property of water by measuring the volume and mass of water and calculating its density.
PBS
Pbs Learning Media: Floating and Sinking: Hot Air Balloons
Why do hot air balloons float? This resource from the NOVA Web site offers a series of interactive activities that illustrates the physics of hot air balloons.
PBS
Pbs Learning Media: Matter's Physical Properties: Interactive Lesson
In this interactive lesson, learn what the "physical properties" of matter are and how can they be measured and observed.
Math Drills
Math Drills: Unit Converter
Download these free worksheets to sharpen your skills in converting units. Sheets focus on converting between a wide variety of measurement units including mass, length, volume, temperature, time, and many more.
PBS
Pbs Learning Media: Fitness Dice: Lesson Plan
Read the die to find out what exercise to do and how many repetitions are needed, keep a running tally of rolls to see who gets the highest score.
Cuemath
Cuemath: Mass
A comprehensive guide for learning all about mass with definitions, how to calculate mass, the difference between mass and weight, solved examples, and practice questions.
Other
Bscs: Forces and Motion Content Background Document
In this document, we will try to answer a fundamental question of physical science, "Why do things start to move, slow down, speed up, stop moving or change direction?" In answering these core questions we can develop concepts that can...
Open Ed
Open Ed Sci: 8.1 Contact Forces
In this unit, students explore a variety of phenomena to figure out, "Why do things sometimes get damaged when they hit each other?" Student questions about the factors that result in a shattered cell phone screen lead them to...
E-learning for Kids
E Learning for Kids: Math: Fisher Boat: Time & Mass: Months, Seasons and Mass
Lars in Antarctica needs help. Can you help him with all the months of the year and with mass?
E-learning for Kids
E Learning for Kids: Math: Fashion Store: Mass & Capacity
Penny the Penguin owns a fashion store. Let's find out what people wear at Antarctica. Uses popups.
Massachusetts Institute of Technology
Mit: Open Course Ware: Mass on a Spring
Students explore mass on a spring. Some topics examined in the activities are Hook's law, sinusoidal motion, and oscillatory motion. The resource consists of video clips, lecture notes, practice problems, and exam questions. Practice...
Massachusetts Institute of Technology
Mit: Open Course Ware: Center of Mass
Students explore center of mass. Some topics examined in the activities are collisions, center of mass motion, and power. The resource consists of video clips, lecture notes, practice problems, and exam questions. Practice problems and...
AAA Math
Aaa Math: All About Measurements
A complete tutorial that explains time, metric system, mass, length, volume, and temperature. Interactive practices and challenge games are included.
Curated OER
Zona Land: Galileo and Inertia
A tutorial with accompanying animations on classical mechanics. Well-illustrated. Good navigation.
Georgia State University
Georgia State University: Hyper Physics: Relativistic Energy
A mathematically understandable presentation of relativistic energy. Parts include Relativistic Energy, Rest Mass Energy, Conservation of Energy, Pair Production, Relativistic Kinetic Energy, and even Kinetic Energy. A couple of...
Center of Science and Industry
Cosi Columbus: Buoyant Bubble [Pdf]
Learn about density in this hands-on science experiment. Includes full list of materials, procedures, and scientific explanation of what makes an object float or sink. [PDF]
University of California
Ucla K 6 Physics/astronomy: Mass, Weight, and Density
This website provides explanations of mass, weight, and density with directions for building simple scales and balances. Provided as encouragement to teach these concepts to young children, it offers a good review for older students.
University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.