Semester Lab: Lost in Space – Checkpoint Worksheet Note: Save this document to your desktop and add to it as you…

Semester Lab: Lost in Space – Checkpoint Worksheet
Note: Save this document to your desktop and add to it as you complete the semester-
long lab in each unit. Be sure to submit the appropriate checkpoint to your teacher for
grading and valuable feedback.
Checkpoint #1:
A) At their first meeting, scientists have identified key characteristics of an unidentified
sample that was collected from a recent space mission. They need you to compose a list
of possible planets and celestial bodies that could be the origin of the sample. List the
possible objects in space that meet the key characteristics identified in the table below. (5
points)
Science 8 B
Semester Lab
Note: Use any reliable resource for this question (textbook, Internet, etc.). Please have your
LearningCoach approve your resources before you use them. List your resources in the space
provided below.
Key Characteristic: Possible Planets/CelestialBodies:
The sample contains more than one
element.
(1 point)
The sample seemsto be radioactive. (1 point)
The sample is estimated to have
formed close to 4,600 million years
ago.
(1 point)
The source can be found no more
than 4.54 billion kilo meters from the
sun.
(1 point)
The source was exposed to an
atmosphere.
(1 point)

 

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