ACTIVITY 1
INTENSITY VS DISTANCE FROM THE LIGHT SOURCE
Materials Needed:
Flashlight
new batteries
Procedure:
1. Stand up facing the wall at a distance of about 1 foot (1 ruler).
2. Position the bulb of the flashlight exactly right in front of the wall.
3. Turn it on and observe what happens.
4. Do steps 1-2, but this time, you will increase the distance by 1 foot until you reach 6 feet
away from the wall.
5. Rank the brightness according to the intensity of light it emits. Rank 1 being the brightest
and rank 5 being the dimmest light.
Rank
Distance from the wall (ft)
1 ft
2 ft
3 ft
4 ft
5 ft
6 ft
1​