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)