Science Questions
Explore questions in the Science category that you can ask Spark.E!
In which phase is the Moon during a Solar eclipse?a. Waxing crescentb. Waxing crescentc. Full Moond. Waning gibbouse. New Moon
Which is the only moon in the Solar System that rotates in opposite direction (retrograde) with respect to therotation direction of its parent planet?a. The Moonb. Ganymedec. Phobosd. Tritone. Titania
Vega is the fifth brightest star in the night sky and belongs to the constellation of Lyra. It has an apparentmagnitude mV = +0.026 and is located at a distance d of 25 light years from Earth. What is the absolutemagnitude of Vega? Hint: MV=5 - 5Log(d) - mV (d in parsecs).a. +1.960b. -0.550c. -2.020d. +2.020e. +0.550
Kepler's second law of planetary motion states "A line from a planet to the Sun sweeps over equal areas inequal intervals of ____."a. spaceb. timec. spheresd. arcse. ellipses
When a moon is tidally locked to its parent planet, it means that its rotation is retrograde.a. Trueb. False
If the classical music radio station at Raleigh (WCPE) is tuned at 89.7 MHz, what is the wavelength of WCPEradio waves?a. 3.3 mb. 5 mc. 4.5 md. 4.1 me. 3.9 m
Which of these pairs of planets have rotation axes different than those of the rest of the planets?a. Saturn, Uranusb. Earth, Marsc. Jupiter, Neptuned. Mercury, Venuse. Venus, Uranus
The Moon's core does not contain much iron, so it cannot produce a dynamo effect.a. Trueb. False
Newtonian gravity is often called universal mutual gravitation because every particle with mass in the Universemust attract every other particle.a. Trueb. False
a. The IAU recorded 88 constellations with defined boundaries.b. The IAU published official names of all constellations.c. The IAU recognized additional orbiting bodies in the Kuiper Belt.d. The IAU recorded all the mythologies associated with 88 constellations.e. The IAU classified Pluto as a dwarf planet.
During Apollo 15 mission, astronaut David Scott performed an experiment to prove that objects speed up at thesame rate in free fall, proving that _________ was right.a. Johannes Keplerb. Nicolaus Copernicusc. Aristotled. Tycho Brahee. Galileo Galilei
The planet that has very dense and toxic atmosphere, very high surface temperatures, and acid rain is:a. Venusb. Neptunec. Mercuryd. Marse. Jupiter
The planets __________ and ____________ are also known as the "ice-giants".a. Venus, Earthb. Jupiter, Neptunec. Saturn, Uranusd. Jupiter, Saturne. Uranus, Neptune
Uranus and Neptune look green/blue becausea. Their atmospheres are mostly made of carbon dioxide (CO2).b. Their atmospheres are mostly made of Helium (He).c. Their atmospheres are mostly made of water (H2O).d. Their atmospheres are mostly made of methane (CH4).e. Their atmospheres are mostly made of ozone (O3).
Which statement is true when comparing Saturn to Jupiter?a. Saturn has stronger winds than Jupiter.b. Saturn has rings and Jupiter does not.c. Saturn is closer to the Sun than Jupiter.d. Saturn is composed of more hydrogen and helium than Jupiter.e. Saturn has a more distinct belt-zones than Jupiter.
If Earth rotated about its axis completely upright, what would we fail to experience?a. day and nightb. a 365 day yearc. holidaysd. weathere. seasons
During its formation, Mars cooled quickly because it is a small planet.a. Trueb. False
In which spectral sequence are the hottest stars categorized?a. B starsb. F starsc. G starsd. O starse. A stars
a (blank) is a day when Earths axis is most toward the sun
Neap tides occur during the (blank) and (blank) phases of the moon and it is the (blank) high tides and (blank) low tides