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Activity 1:Hanging Rock Direction: Recall the terms related to motion in Grade 7. Perform the activity and answer the questions that follow. Write your answers on a separate answer sheet. Materials: a piece of rock yarn a scissor Procedure: 1. Tie a piece of rock with a yarn (see Fig. 1). 2. Hang it one (1) meter from the ground. 3. Observe the effect of the hanging rock on the yarn. 4. Cut the yarn and measure the time it would take for the rock to reach the ground. Guide questions: 1. What term refers to the amount of matter in the rock? 2. Are there forces acting on the piece of rock as it is hanging from the yarn? If yes, identify the force acting the rock, pulling on it Figure 1 A piece of rock RAM on a yarn towards the ground. 3. Identify the force acting on the rock, as it hangs from the yarn keeping it from falling to the ground. 4. Draw the forces acting directly on the rock. Use the box below to represent the rock, draw arrows to represent the forces. The direction of the arrow (up, down, to the left, or to the right) will show the direction of the force, while the length of the arrow will show the magnitude or the size of the force. Label the arrows with the names of forces acting on the rock. 5. After cutting the yarn, observe what happens to the rock. Did the rock change in position? What term refers to action of the rock changing its position?​

Activity 1Hanging Rock Direction Recall The Terms Related To Motion In Grade 7 Perform The Activity And Answer The Questions That Follow Write Your Answers On A class=

Sagot :

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