Physical Science-Q4-ST1

Which BEST explains why the Earth is not disk-shaped?

• Stars are viewed differently when traveling north and south.

• The shadow cast by the Earth during a lunar eclipse is circular.

• The shadows cast in two different cities during a solstice differed in length.

• The only shape that cast a circular shadow in whatever direction is a sphere.

Which of the following is an annual motion?

• Moonrise

• Eastward rise of stars

• Sunset

• Vernal equinox

What astronomical event was NOT known to men before the advent of telescopes?

• solar eclipse

• summer solstice

• retrograde of Mars

• rotation of the Sun

Which aided Eratosthenes in measuring the Earth’s circumference?

• The appearance of stars differs as when traveling north and south.

• The shadows cast within the Syene and Alexandria during the solstice.

• The sphere is the only shape that casts a circular shadow in whatever direction.

• The shadow casts by the Earth during a lunar eclipse is circular

Which is an example of diurnal motion?

• autumnal equinox

• eastward rise of stars

• summer solstice

• zodiac cycle

Which does NOT involve the Sun's ecliptic path?

• autumnal equinox

• eastward rise of stars

• summer solstice

• zodiac cycle

Which describes the law of ellipse?

• All planets revolve around the sun in an elliptical orbit.

• Any point in the closed curved is equidistant to the two foci.

• Planets move fastest in the elliptical orbit when nearest to the sun.

• The length of a planet’s revolution in the Sun is proportional to its orbit’s size.

Which describes the law of harmony?

• All planets revolve around the sun in an elliptical orbit.

• Any point in the closed curved is equidistant to the two foci.

• Planets move fastest in the elliptical orbit when nearest to the sun.

• The length of a planet’s revolution in the Sun is proportional to its orbit’s size

Which describes the law of equal areas?

• All planets revolve around the sun in an elliptical orbit.

• Any point in the closed curved is equidistant to the two foci.

• Planets move fastest in the elliptical orbit when nearest to the sun.

• The length of a planet’s revolution in the Sun is proportional to its orbit’s size.

Which explains the difference in the orbital period of Earth and Saturn?

• All planets revolve around the sun in an elliptical orbit.

• Any point in the closed curved is equidistant to the two foci.

• Planets move fastest in the elliptical orbit when nearest to the sun.

• The length of a planet’s revolution in the Sun is proportional to its orbit’s size.