A student creates an incomplete model showing the stages in the formation of the solar system.
Which stage will best complete the student's model?
Science Checkpoint 2 Review
Quiz
•
Social Studies
•
8th Grade
•
Hard
Amy Blair
Used 225+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student creates an incomplete model showing the stages in the formation of the solar system.
Which stage will best complete the student's model?
Particles similar in size combine and create the first atoms.
Particles begin to group together and form a strong gravitational field.
Particles grow larger in size and travel in elliptical orbits.
Particles absorb light energy from nearby stars and create more atoms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On Earth, tides are constantly changing from high to low and back again. A neap tide is a high tide that is lower than normal. This drawing shows the configuration of the Sun, the Moon, and Earth when a neap tide is formed.
Why is the high tide unusually low when the Sun, the Moon, and Earth are in this configuration?
because Earth is closer to the Moon than it is to the Sun
because the axis of Earth is tilted toward the Moon but away from the Sun
because the Sun and the Moon are in this configuration for a short period of time
because gravitational forces of the sun and moon are working against eachother.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Based on the Doppler effect, the electromagnetic waves reaching Earth from a galaxy that is moving away from Earth would be expected to
experience an increase in their amplitude.
experience a decrease in frequency
experience an increase in frequency.
experience a decrease from transverse waves to longitudinal waves.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student graphs the velocities of galaxies as they move away from Earth (1 Mpc=3.26 million light-years).
The galaxies are moving away from Earth and moving toward each other, decreasing the amount of empty space between themselves in the universe.
The galaxies are moving away from Earth and creating more nebulas, increasing the number of stars in the universe.
The galaxies are moving away from Earth and moving away from each other, increasing the amount of empty space between themselves in the universe.
The galaxies are moving away from Earth and changing shape over time, decreasing the motion of other objects in the universe.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the modern theory of the universe’s origin, which graph BEST shows the trend in the volume of the universe over time?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The charts to the left show sound waves from a musical instrument. In which way is the sound wave in Chart 1 different from the sound wave in Chart 2?
it has a higher pitch
it has a lower frequency
it has a lower volume
it has a greater amplitude
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diagram below shows a student forming waves using a rope. Which statement BEST describes what happens to the wavelength and amplitude of the wave when the student increases the upward and downward force?
The amplitude increases, but the wavelength stays the same.
The amplitude decreases, but the wavelength increases.
The amplitude stays the same, but the wavelength increases.
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