Science Checkpoint 2 Review

Science Checkpoint 2 Review

8th Grade

30 Qs

quiz-placeholder

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Science Checkpoint 2 Review

Science Checkpoint 2 Review

Assessment

Quiz

Social Studies

8th Grade

Hard

Created by

Amy Blair

Used 225+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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

Media Image

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?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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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