CK-12 Foundation
Ck 12: Parallelogram Classification
[Free Registration/Login Required] Students will use the classify different shapes by changing the points on the given shape. Click learn more to watch a video and click challenge me to answer a practice question.
Science Education Resource Center at Carleton College
Serc: Collecting and Identifying Rocks
Students investigate rocks in an outdoor field trip, and then place them into groups by characteristics. The different groups could be the size, shape, color, and texture of the rocks. After classifying, students are introduced to the...
BiologyWise
Biology Wise: List of Bacteria
Describes the structure of bacteria, where bacteria can be found, and how they are classified using gram staining. Includes lists of bacteria organized by gram staining response and whether they have a capsule shape. Also includes a list...
Alabama Learning Exchange
Alex: It's in the Bag
This lesson is a unique and fun way to review perimeter, angles, and types of adjectives. Students pick an object from the classroom that will fit in a paper lunch bag. They investigate their object and fill in the attached sheet. You...
Other
Ohio Resource Center: Shadows
This applet helps pupils visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...
Other
Atoms in Motion: Ionic Bonds
In nature there are many different minerals we call "Salts". If you look very closely at the particles of table salt, you will find little cubic crystals. These salt crystals are made of sodium chloride (NaCl), and their cubic shape is...
Khan Academy
Khan Academy: Quadrilaterals Review
After reviewing the properties of different quadrilaterals, students answer questions about each type.