Standard Science Primary 6 Interactions

Ravi conducted an experiment to see how different surface textures affect the motion of a block. Study the setup below. What is the independent variable in this experiment?

A The distance travelled by the block
B The angle of the ramp
C The texture of the ramp surface
D The mass of the block
Show Worked Solution

Worked Solution

Step 1: In a fair test, the independent variable is the one that is changed. Step 2: Ravi is testing different surface textures. Step 3: Variables like ramp angle and block mass must be kept the same. Step 4: Therefore, the texture is the independent variable.

Correct answer: The texture of the ramp surface

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