American Chemical Society
Exothermic, Endothermic, and Chemical Change
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
![Middle School Science: Shoe Classification Lab [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Middle School Science: Shoe Classification Lab [Pdf] Activity")
My Science Site
Middle School Science: Shoe Classification Lab [Pdf]
This concise worksheet site will enable students to learn how to create a classification system and to understand the reasons for classification in science. Requires Adobe Reader.
Science Education Resource Center at Carleton College
Serc: Leaf Investigation and Classification
Students will learn about classification of leaves by collecting a variety of leaves from home and working in small groups in the classroom to sort them into groups. Students will present their criteria for grouping the leaves to the class.
Science Education Resource Center at Carleton College
Serc: Irregular Shaped Object Lab Test
Students will determine what an unknown substance is by finding mass, volume, displacement, and density of an object. Students will also create a report which will require them to read a graph, interpret data, calculate averages, and...
Scholastic
Scholastic: Dirtmeister's Science Lab: Matter
Students will use water and cornstarch to make a mystery matter, and then discuss what happens when different energy is applied.
Texas Instruments
Texas Instruments: The Pythagorean Theorem and Classifying Triangles
Students can use the converse of the Pythagorean Theorem to predict a triangle's classification. The Cabri Jr. App on the TI-83+/84+ family will be used to create triangles and find their measurements. Adobe PDF lab worksheets are included.
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.