3)Write the experiment to test the temperature difference in containers with black and white surface.
Answers
Explanation:
Conceptual Theme: To develop a basic
understanding of relative change in temperature
relating to the surface color of an object.
Content: Develop a basic understanding that the
heating (indicated by temperature differences) of an
object is related to the degree of an object’s surface
color.
Skills: The focus is on handling laboratory
equipment, making careful observations, recording
temperature differences, reaching conclusions, and
describing and communicating results.
Scientific Habits of Mind: The importance of careful
observations, respect for data, verifying results and
performing experiments safely
Materials
2 large containers
2 foam caps
2 non-mercury thermometers
1 sheet of dark
construction paper
1 sheet of light
construction paper
Transparent tape
Scissors
Heat lamp (or lamp on stand
equipped with 100-watt bulb)
Safety glasses
Preparation
Place the two containers on a level surface and
allow the air inside the containers to equalize
with air in the room. This should take no more
than about 10 minutes.
While waiting for the temperatures to equalize,
you can complete the following steps.
Cut a strip of dark paper to fit one container and
tape this paper around the outside of the container
covering its surface.
Cut a strip of light paper to fit the other container
and tape this paper around the outside of the
container covering its surface.
Cut two pieces of foam to firmly fit like
caps inside the top of each of the containers.
NOTE: Manufactured plastic drink caps
are too flimsy.
Cut slots in each of the foam caps for inserting the
thermometers (this should be a snug fit). Insert one
thermometer inside the slot of each of the foam caps.
Place the caps with the thermometers inserted firmly
on each container, making sure that the liquid in the
thermometer is visible. Record the temperature of
each thermometer.
Put the two containers side by side and place the heat
lamp about 6 inches from the containers. Plug the light
into an electrical outlet and turn it on.
Record the temperature of both thermometers at
5-minute intervals, 5 different times.
Your completed setup for conducting the experiment
HOPE IT HELPS.........
