What is the main objective of the lab demonstrations in this lesson?

Light Waves and Energy: Investigating the Impact of Light Through Hands-On Experiments

Interactive Video
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Physics, Science, Other
•
6th - 8th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To observe the behavior of different light sources
To compare different types of waves
To determine if light carries energy
To measure the speed of light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first lab, what change was observed on the liquid crystal paper when exposed to light?
It became transparent
It melted
It changed color
It emitted sound
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What evidence suggested that light carries energy in the first lab demonstration?
The paper became heavier
The paper changed color
The paper emitted light
The paper caught fire
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second lab, what was the effect of light on the solar-powered dancing flower?
It changed color
It started to dance
It stopped working
It emitted a sound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conclusion can be drawn from the solar panel experiment?
Light changes the color of solar panels
Light has no effect on solar panels
Light can power electronic devices
Light makes objects heavier
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third lab, how did the temperature change when the thermostat was exposed to light?
It decreased by 8 degrees Celsius
It remained the same
It fluctuated randomly
It increased by 8 degrees Celsius
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the initial temperature of the thermostat before exposure to light in the third lab?
28 degrees Celsius
23 degrees Celsius
15 degrees Celsius
31 degrees Celsius
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