Albert Einstein’s Special Theory of Relativity

Albert Einstein’s Special Theory of Relativity Listen to the recording and choose the best answer. 1) Which of the following does not change according to Einstein? ______

A. Time B. Mass C. Speed of light D. Length

2) The two spaceships mentioned are exactly alike except for ______.

A. speed B. color C. mass D. motion

3) What does the scientist in the spaceship measure? ______

A. The speed of the spaceship. B. The time needed for a beam of light’s travel in the spaceship.

C. The speed of the other spaceship. D. The time needed for a beam of light’s travel in the other spaceship.

4) What did the scientist in the red ship see or conclude? ______

A. His beam of light does not appear to go straight up. B. The beam of light in the blue ship appears to come straight down.

C. Time passed more slowly in the red ship.D. The blue ship is shorter than the red one.

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