Learning
Grab bag: Impossible machines
In this activity you will inquire and analyse machines that claim to have 100% efficiency and move forever! Related concepts Energy Guiding questions How can we manage energy transfer efficiently and...
Learning
Grab bag: Work and heat
In this activity we explore the relationship between friction, work and thermal energy (heating). Inquire Watch one of these videos about friction and heat: (4:00) (0:37) Outline how friction and heat...
Learning
Grab bag: Efficiency and Sankey diagrams
In this activity we explore how we can represent energy transfer in machines / systems. How can we manage energy transfer efficiently and sustainably? How can we represent energy transfer out of a system?...
Learning
Grab-bag: Finding the centre
In this activity you will use a balancing trick to find the centre of mass of an object Related concepts movement, equilibrium, force Guiding questions Factual: How can forces balance? Conceptual:...
Learning
Grab bag: Free-body diagrams
In this activity you will construct free-body diagrams for different situations involving forces. Related concepts movement, force Guiding questions Factual: How do forces combine? What effects do forces...
Learning
See-Think-Wonder: Motion Free
This is a quick see-think-wonder activity to stimulate students in accessing prior learning and maybe to prompt further inquiry Related concept Movement Guiding question What makes things move in a...
Learning
Grab-bag: combining forces in 2D
In this activity you can use Geogebra applets to explore ways to analyse and combine forces acting in two axes. Related concepts Form, function Guiding questions How do forces combine? Approaches to...
Learning
Grab bag: Adding force vectors in 1D
In this activity we explore how two forces sum to make a resultant force in one dimension (the same axis). Disiplinary concepts Form, function Guiding questions How do we measure forces? How do forces...
Learning
Grab bag: Tug-of-war
In this activity you will explore how forces combine. Related concepts Form, function Guiding questions How do we measure forces? How do forces combine? Approaches to learning focus: Critical thinking...
Learning
Grab bag: Hooke's Law Free
This is a quick online activity to stimulate students in accessing prior learning and maybe to prompt further inquiry Related concept Movement, Form Guiding question How does force affect materials?...