JoinAll Middle School resources
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about heredity. The probe is designed to reveal how students think organisms inherit observable traits. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the transformation of matter. The probe is designed to reveal whether students recognize that most of the matter that makes up the wood of a tree can be traced back to carbon d...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about plant growth. The probe is designed to find out whether students recognize that plants use their stored food to grow in the absence of light. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about temperature change in a system. The probe is designed to find out whether students recognize that heat moves from the warm water to the cool water until they both reach the sam...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about transfer of energy. The probe is designed to determine whether students recognize that heat flows from warmer objects or areas to cooler ones. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about particles during a phase change. The probe is designed to find out if students recognize that the bubbles formed when water boils are the result of liquid water changing into w...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about freezing point. The probe is designed to find out if students recognize that the temperature at which water freezes is independent of the volume. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the boiling point of a pure substance. The probe is designed to find out whether students recognize that the boiling point of a pure substance stays constant no matter how long...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about a physical property of matter. The probe is designed to reveal whether students recognize that under the same conditions, boiling point remains the same. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the density of a solid object. The probe is designed to find out whether students recognize that in this phenomenon, air is not displaced, such as when there is a hole in a boa...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about density and buoyancy. The probe is designed to find out how students think an object can be changed to make it float differently. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about floating and sinking. The probe is designed to find out if students think changing the size of an object affects how it floats. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about properties of matter. The probe is designed to find out which properties students think will change if the size of an object made from the same material changes. ...
By Page Keeley
Web Seminar
Our oceans are filled with items that do not belong there. Huge amounts of plastics, metals, rubber, textiles, lost fishing gear, abandoned vessels, and many more items enter the marine environment every day. This makes marine debris one of the most ...
Web Seminar
Archive: Science Update: Food Agriculture – The Plant Scientist’s Toolbox, March 9, 2023
Humans have used a variety of ways to modify food crops to suit our needs and tastes for more than 10,000 years. Over this time, the plant scientists’ toolbox has grown: first with “traditional” tools (like cross-breeding, selective breeding, a...