practice test - part 11-20

Question 1

_____ mediates radioactive decay and is responsible for our universe being filled with matter.

Answer 1

The weak nuclear force

Question 2

The ” _____ -dimensional time-space continuum” describes our world.

Answer 2

four

Question 3

Lenses are _____ to eliminate reflected light and increase image brightness.

Answer 3

coated

Question 4

A(n) _____ is a conclusion based on scientific observation.

Answer 4

inference

Question 5

_____ is a distortion of space-time and is thought to be the first fundamental force.

Answer 5

Gravity

Question 6

A(n) _____ is an elongated, toothed rod that causes motion in a different direction when turned.

Answer 6

worm gear

Question 7

Nothing in our universe can be completely at rest because perception of _____ is dependent on its observer.

Answer 7

motion

Question 8

_____ are a group of subatomic particles containing quarks and electrons.

Answer 8

Fermions

Question 9

the result of a saddle-backed, “open” universe

Answer 9

big chill

Question 10

used the term “quantum” to describe bits of radiant energy

Answer 10

max planck