A student creates a diagram comparing the sizes of objects in the solar system. Which two objects are often similar in size?
1 point
asteroids and comets
moons and meteors
comets and planets
planets and meteors
moons and meteors
Which of the following statements about the Sun's structure is true?
*
1 point
The core is the coolest layer
The photosphere is the innermost layer
The corona is the densest layer
The chromosphere is the outermost layer
The chromosphere is the outermost layer
Which of the following is an example of physical evidence that can help explain the relative age of Earth?
*
1 point
A historical map showing the location of ancient civilizations
A photograph of a modern city skyline
A fossilized bone found in sedimentary rock
A weather report predicting rain for the next week