Page 107 - ScienceStd4
P. 107
The relationship between forms of energy
Electrical energy can be converted from one form to another
depending on the device used. For example, a light bulb in
flashlight, converts electrical energy from batteries into light
FOR ONLINE READING ONLY
and heat energy. Carefully examine the actions depicted in
Figure 18, then perform Activity11.
(a) (b) (c)
Figure 18: Uses of light, sound and heat
Activity 11
Investigating types of energy in the environment and their
relationships
Use a library, reliable online sources, or other sources of
information.
1. List the forms of energy observed in Figure 18(a), 18(b),
and 18(c).
2. Identify the relationship between the types of energy
observed in Figure 18(a), 18(b), and 18(c).
100
14/01/2025 18:38
SCIENCE AND TECHNOLOGY STD 4.indd 100
SCIENCE AND TECHNOLOGY STD 4.indd 100 14/01/2025 18:38
