Natural sciences
Energy transfers and forces
Educator section
Memorandum
a) Electrical energy / sound energy / light energy.
b) Kinetic energy / potential energy.
c) Light energy.
d) Electrical energy / light energy / heat energy.
e) Kinetic energy / heat energy.
f) Chemical energy / heat energy / light energy.
Leaner section
Content
Activity 5: to describe forms of energy [lo 2.3]
Label the following sketches by naming the energy source that is depicted.
| (a) |
|
|
| Television |
| (b) |
|
|
| “Jack-in-the-box” |
| (c) |
|
|
| Lighthouse |
| (a) |
|
|
| Lightning |
| (e) |
|
|
| Moving vehicle |
| (f) |
|
|
| Burning fire |
(a) __________________________________________________________________
(b) _________________________________________________________________
(c) _________________________________________________________________
(d) _________________________________________________________________
(e) __________________________________________________________________
(f) __________________________________________________________________
5. the transfer of energy
(a) Conduction
Conduction occurs when heat moves through solid substances. Take a length of wire and hold it over a flame. What do you discover after a little while?
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
The heat was transferred to your hand by means of conduction. Metals like copper, iron and aluminium are better conductors of heat than non-metals such as wood, water and cork. Particular metals also conduct heat faster than others.
Paste or draw such materials here.
Assessment
Learning Outcome 2: The learner will know and be able to interpret and apply scientific, technological and environmental knowledge.
Assessment Standard 2.3: We know this when the learner interprets information by identifying key ideas in text, finding patterns in recorded data, and making inferences from information in various forms (e.g. pictures, diagrams, text).