Table of Contents

Phase 2 - In Orbit

Junior Space Explorer Challenge #2

Teacher Notes

1. The purpose of this activity is to confirm an understanding of triangles related to the context of space.

2. This activity can be completed individually or in pairs.

3. The suggested completion time is 15-25 minutes.

4. Answer key:

   • Question 1:
   • A. - 20° (acute)
   • B. - 25° (acute)
   • C. - 40° (acute)
   • D. - 50° (acute)
     
     
   • Question 2:
   • A. scalene
   • B. isosceles
   • C. isosceles

Junior Space Explorer - Challenge # 2

As a Junior Space Explorer, you have noticed that many of the familiar items related to space travel display certain angles and contain triangles.

1. Look at these items.
   
   
   • a. Each has an angle marked.
   • b. Measure the angle and identify the type of angle.

     

2. Look at these items.
   
   
   • a. Each has a triangle that is outlined.
   • b. Examine the triangles according to angles and lengths of the sides.
   • c. Identify the types of triangles and explain how you came to decide.