Test
Sin título
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (23)
11. Earth’s rotation takes about [blank_start]24 hours[blank_end]
- A24 hours
22. Day and night are caused by Earth’s rotation on its [blank_start]axis[blank_end].
- Aaxis
33. One complete revolution of Earth around the sun takes about [blank_start]365[blank_end] days.
- A365
44. Earth has seasons because its [blank_start]axis[blank_end] is tilted as it moves around the [blank_start]sun[blank_end].
- Asun
- Baxis
55. During what phase of the moon can a lunar eclipse occur? [blank_start]Full moon[blank_end].
- AFull moon
66. Maria on the moon’s surface were formed by ancient [blank_start]lava flows[blank_end].
- Alava flows
7Galileo saw that much of the moon’s surface is covered with round pits called [blank_start]craters[blank_end].
- Acraters
8An equinox occurs when neither end of [blank_start]Earth’s[blank_end] axis is tilted toward or [blank_start]away[blank_end] from the [blank_start]sun[blank_end].
- AEarth’s
- Baway
- Csun
9Because the moon rotates once for each revolution around Earth, you [blank_start]never[blank_end] see the [blank_start]far[blank_end] side of the moon from [blank_start]Earth[blank_end]
- Anever
- Bfar
- CEarth
10You are less likely to see a total solar eclipse than a total lunar eclipse because the moon’s [blank_start]umbra[blank_end] only covers a [blank_start]small[blank_end] area on Earth’s surface.
- Aumbra
- Bsmall
1111. The two factors that combine to keep Earth and the moon in their orbits are: [blank_start]gravity[blank_end] & [blank_start]inertia[blank_end].
- Agravity
- Binertia
12The tendency of a moving object to continue moving in a straight line or a stationary object to remain in place is called [blank_start]inertia[blank_end].
- Ainertia
13All objects are attracted to each other by the force of [blank_start]gravity[blank_end]
- Agravity
1414. The strength of the force of gravity depends on the [blank_start]masses[blank_end] of the objects and the [blank_start]distance[blank_end] between them.
- Amasses
- Bdistance
15The different shapes of the moon seen from Earth are called [blank_start]phases[blank_end].
- Aphases
16The temperature of the moon’s surface varies greatly from day to night because the moon has no [blank_start]atmosphere[blank_end].
- Aatmosphere
17What color are the coolest stars? [blank_start]red.[blank_end]
- Ared.
18A star is born when [blank_start]nuclear fusion[blank_end] starts
- Anuclear fusion
19The lifetime of a star depends on its [blank_start]mass[blank_end]
- Amass
20A supernova is the explosion of a dying [blank_start]high-mass[blank_end] star.
- Ahigh-mass
21The Milky Way galaxy is an example of a(n) [blank_start]spiral[blank_end] galaxy.
- Aspiral
22The solar system formed from a giant cloud of [blank_start]gas[blank_end] and [blank_start]dust[blank_end].
- Agas
- Bdust
23The sun produces energy by [blank_start]nuclear fusion[blank_end].
- Anuclear fusion
Información
- Descripción
- Test sobre Sin título, creado por Karen Rogers el 12/11/2018.
- Autor
- Karen Rogers
- Idioma
- English
- Visitas
- 0
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test