JoinAll Middle School resources
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about conservation of matter during combustion. The probe is designed to find out if students think the mass changes as paper burns inside a closed system. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about atoms. The probe is specifically designed to determine whether students can use the idea of atoms to explain why a metal expands when heated. Furthermore, older students’ exp...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about seasons. The probe can be used to determine whether students recognize the effect of the Earth’s tilt on its axis and the resulting intensity of sunlight as the reason for se...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about precipitation. The probe is designed to determine whether students understand what causes the water in clouds to fall as rain. ...
By Page Keeley
Lesson Plan
Where Did the Water Come From?
The purpose of this assessment probe is to elicit students’ ideas about condensation. The probe is designed to determine whether students recognize that condensation comes from the water vapor in the air. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about an everyday object in the sky: clouds. The probe is designed to determine whether students recognize that clouds are made up of tiny droplets of water or tiny ice crystals. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the cycling of matter. The probe can be used to determine whether students recognize that once-living matter breaks down and cycles through ecosystems without subtracting or ad...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about respiration. The probe is designed to find out whether students recognize respiration as a process that all living things use in order to obtain energy or whether they have a r...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the size of cells. The probe can be used to determine whether students recognize how small a cell is relative to other things. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about falling objects. The probe is designed to find out if students think the weight or mass of an object affects how fast it falls. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about conservation of matter. The probe is designed to reveal whether students recognize that the mass of a warm gas in a closed system is the same after it has been cooled, even tho...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about thermal expansion. The probe is designed to find out whether students attribute expansion of the space between molecules to the rise of the liquid in a thermometer. ...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about the properties of atoms. The probe is designed to determine whether students can distinguish between the microscopic properties of an atom and the macroscopic properties of a s...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about mountain formation. The probe is designed to determine whether students recognize that some mountains are formed from the uplift of Earth’s crust over a long period of time a...
By Page Keeley
Lesson Plan
The purpose of this assessment probe is to elicit students’ ideas about cell size. The probe is designed to reveal whether students think animal cell size is determined by the size of the animal. ...
By Page Keeley