Texas TEKS 2.7.B
The Standard
plan and conduct a descriptive investigation to demonstrate how the strength of a push and pull changes an object's motion.
Texas Essential Knowledge and Skills for Science
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students plan a simple test comparing gentle and strong pushes or pulls. They observe, measure, and record changes in distance, speed, or direction.
What Mastery Looks Like
- Students keep the object, surface, and starting point the same while changing force strength. They use observations or measurements to explain how the stronger force changed the motion.
Common Misconceptions
- Students may confuse force strength with force direction. They may change the object, surface, or starting point between trials, making the comparison unreliable.
How to Assess It
- Give each student a toy car and tape measure. Ask them to compare a gentle push with a strong push, record both distances, and write one conclusion.
Lesson moves
Ways to Teach It
Push a toy car gently and strongly from the same tape line, then measure and compare each distance traveled.
Ask students to write why a shopping cart moves differently after a gentle push and a strong push.
Play Force Match by sorting picture cards into gentle push, strong push, gentle pull, and strong pull groups.
Test gentle and strong pulls on a loaded classroom wagon, then connect the results to moving groceries or playground equipment.
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Printable 2.7.B Worksheet
A ready-to-print activity worksheet aligned to 2.7.B, with an answer key for the teacher on its own page. No account needed.
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Related Standards
- 3.7.A
demonstrate and describe forces acting on an object in contact or at a distance, including magnetism, gravity, and pushes and pulls; and
- 1.7.B
plan and conduct a descriptive investigation that predicts how pushes and pulls can start, stop, or change the speed or direction of an object's motion.
- 1.7.A
explain how pushes and pulls can start, stop, or change the speed or direction of an object's motion; and
- 3.7.B
plan and conduct a descriptive investigation to demonstrate and explain how position and motion can be changed by pushing and pulling objects such as swings, ba...
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