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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4, Microscopic Weirdness.

Multiple Choice Questions

1. What characteristic did Werner Heisenberg discovered that some features of the universe at very small scales, and some properties of particle?
(a) They can change spontaneously, with no external influence.
(b) They always increase or decrease by certain increments.
(c) They are dependant on the velocity of the object being studied.
(d) They cannot be known with complete precision.

2. According to special relativity, which of the following can move faster than light?
(a) Quantum data.
(b) Nothing can move faster than light.
(c) Neutrinos.
(d) Gravitational waves.

3. Which of the following accurately describes the phenomenon of "quantum tunneling"?
(a) Particles can sometimes "borrow" energy to move in ways impossible in classical physics.
(b) Some particles are linked together, no matter how much space separates them.
(c) Particles with high energy can vanish in one location, instantly appearing in another.
(d) High-energy waves can penetrate the fabric of space-time for very short periods of time.

4. According to general relativity, all objects that have mass have what effect on space-time?
(a) They tear space-time when they travel at near-light speeds.
(b) They fold space-time as they move past one another.
(c) They warp space-time around them.
(d) They stretch space-time for other very distant objects.

5. How can black holes be detected?
(a) By observing the directions of solar winds.
(b) With an ultraviolet-range telescope.
(c) By looking for dark gaps in clusters of stars.
(d) By their effects on objects around them.

Short Answer Questions

1. Which of the following is not one of the four fundamental forces of the universe?

2. Edwin Hubble used Einstein's theories to show that the fabric of the universe _____.

3. What are the components of an atomic nucleus?

4. What property did the double-slit experiment demonstrate that light has?

5. What is the fundamental particle, the smallest possible bundle of energy, for the electromagnetic force?

(see the answer key)

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