Module 01 Quiz: 20201_INTRO PHYS SCNCES_4270

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The longest of the following is

0.00001 km

The time needed for a planet to orbit the sun

depends on the average distance of the planet from the sun

Stars and planets are round because

gravity forces them into this shape

Living things

have evolved throughout the earth's history

When the sun, the earth, and the moon are all in line,

high tides are higher than usual and low tides are lower than usual.

When first proposed, a scientific idea is usually called a

hypothesis.

scientific theory

must be constantly reviewed to see whether they are in accord with new experimental observations.

In the distant past, the length of the day was

shorter than 24h.

The length of the year is

slightly more than 365 days.

In which one or more of the following is the earth assumed to be the center of the universe?

the Ptolemaic system.

If the earth had no moon,

the average tidal range would be smaller

In most parts of the world high tides occur approximately

twice a day.

The British unit of length closest to the meter is the

yard

A nautical mile (nm) is 6076 ft long, and a knot (kn) is a unit of speed equal to 1 nm per hour. How many feet per second does a 10-kn boat move through the water?

17 ft/s

The number of cubic centimeters in a cubic foot is about

2.8 × 104.

Arrange the following planets in the order of their distance from the sun. 1. Venus 2. Mars 3. Earth 4. Mercury

4,1,3,2

Kepler modified

Copernican system

The discovery that the planetary orbits are ellipses rather than circles was made by

Kepler

A year is the time needed for rev: 05_09_2014_QC_49368

None of the choices are correct

The object in the sky that lies very nearly on an extension of the earth's axis is

Polaris


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