Science Questions
Explore questions in the Science category that you can ask Spark.E!
The Moon probably formed as a result of the collision between earth and the Mars sized object about 4.5 BYA, when the solar system was forming. This is called the_______
When the entire sunlit side moon faces the Earth, it is called a _______ moon
_______ occurs when the moon passes directly between the Sun and Earth and blocks the Sun from view.
The distance between peaks or crest on a wave is called the
When none of the sunlight side of the moon is viewable on Earth, it is called a _____
When we see half of the lit portion of the moon (will show on left side), it is a _____Moon
Earth's _____and orbital motion result in a cycle of the seasons
number of waves of oscillation that pass a given point per second is called
all types of electromagnetic radiation according to wavelength and frequency in the
the moon is approximately _____billion years old, about the same age as the earth
the time it takes a planetary body to make one orbit around another larger body is called
the sun's exterior layers are mainly composed of _____ and _____ and consists of three main layers;
the ____ mass in a star, the longer it lives
Comment sont des espèces connectées uniquement par une série de noeuds?
Est-ce que les espèces disparues peuvent être incluses dans les cladogrammes?
Que représente souvent la longueur des lignes qui séparent les espèces dans un cladogramme?
How are the outer planets different from the inner planets?
A typical neutron star is more massive than our Sun and about the size (radius) of _________.
A 10-solar-mass main-sequence star will produce which of the following remnants?
An advanced civilization lives on a planet orbiting a close binary star system that consists of a 15MSun red giant and a 10MSun black hole. Assume that the two stars are quite close together, so that an accretion disk surrounds the black hole. The planet on which the civilization lives orbits the binary star at a distance of 10 AU.Sometime within the next million years or so, their planet is likely to be doomed because