Conservation of energy

ID: 
http://vocabulary.curriculum.edu.au/scot/4325

Conservation of energy worksheet #3

This downloadable resource concerns the conservation of energy in an oscillating spring.

The resource is a student worksheet of questions relating to the conservation of energy during the motion of an oscillating spring.

The worksheet includes energy graphs which can be quite challenging.

Answers are provided to assist teachers and students with understanding.

Conservation of energy worksheet #2

This downloadable resource looks at the conservation of energy in an oscillating spring.

The resource is a student worksheet of questions relating to a short practical activity about the conservation of mechanical energy during the motion of an oscillating spring.

The document includes energy graphs, which can be quite challenging.

The answers are provided to assist teachers and students with understanding.

Analysis of situations in which mechanical energy is conserved

This online resource deals with the conservation of total mechanical energy.

The resource is a tutorial on the concepts of the conservation of total mechanical energy (TME) during energy transformations and covers the examples of a pendulum, a roller coaster and a ski jumper.

It also has an accompanying illustrative animation and plenty of practice applications for students to try.

Masses and springs

This online resource looks at the effect on springs of falling masses.

The resource is a simulator that allows students to study the effect on springs of falling masses under various conditions.

Different masses can be added to up to 3 springs and their stiffness and damping can be adjusted.

The springs are extended and released and their motion can be analysed via energy graphs which show kinetic, potential, thermal and total energy.

Gaining height

This online resource is a good demonstration of the transfer of energy.

The resource give details of a teacher demonstration on the energy transformations involved in a collision between a basketball and a tennis ball.

A tennis ball is positioned on top of a basketball and the two are dropped from a height. The tennis ball is spectacularly propelled high into the air when they collide with the floor.

The resource also gives a detailed explanation of what’s going on and how to take things further.

Wind up racer

This online resource details how students can build a simple wind-up 'race car' as a hands-on activity that illustrates the conservation and transformation of energy.

The website has a printable experiment sheet which has an explanation of how it works as well as a video that shows how to build the racer.

The race car is made from easily obtainable household materials.

Build a roller coaster

This online resource is a student practical activity that focuses on demonstrating the transference of energy through building a model roller coaster.

The resource includes instructions on how to create a roller coaster using foam tubing cut in half and a marble. 

The resource also includes definitions of key terms as well as where to go to learn more about roller coasters.

Returning tin

This downloadable document contains instructions for an intriguing student practical activity concerning energy conservation and transformation.

The activity involves the construction of a cylinder that when rolled away across the floor, slows, stops and returns.

This device is commonly known as a ‘comeback can’ or ‘returning tin’.

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