Exosphere interacts with ___________ of Earth at roughly distance of 10,000 km.
A. Electrosphere B. Magnetosphere C. Spectrosphere D. Echosphere
Everyday Science MCQs
The height at which atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called __________.
A. Average height (H) B. Scale height (H) C. Mean height (H) D. Standard height (H)
In an atomic nucleus, neutrons and protons are held together by: ___________?
A. Gravitational forces B. Exchange forces C. Coulombic forces D. Magnetic forces
The moon’s surface temperature varies from about ________ to _________ ?
A. – 173 degrees Celsius at night to 127 degrees Celsius during the day B. – 172 degrees Celsius at night to 172 degrees Celsius during the day C. Remains constant during day and night D. – 170 degrees Celsius at night to 107 degrees Celsius during the day
Which one of the following is true?
A. The moon has both atmosphere and magnetic field B. The moon has no atmosphere or magnetic field C. The moon has atmosphere but no magnetic field D. The moon has magnetic field but no atmosphere
The moon has a large, circular basin called _____________?
A. the Simerian Basin B. the Inbrium Basin C. the Imbrium Basin D. Black Bowl Basin
The moon’s surface has been explored by how many astronauts?
A. 10 B. 11 C. 12 D. 13
Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what?
A. Steam and dust B. Gas and dust C. Steam, gas and dust D. None of the above
Comets are made mostly of ______________?
A. Ice and dust B. Dust and lights C. Ice, dust and lights D. All of the above
As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what?
A. “coma” around the comet’s nucleus and a long tail that points away from the sun B. “coma” that points away from the sun and a long tail around the comet’s nucleus C. Only “coma” around the comet’s nucleus D. Only a long tail that points away from the sun