Science test answers

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solar eclipse occurs when

the Moon blocks Earth from the Sun.

Venus has the highest surface temperature of all the planets in our solar system. Which is the best explanation for this?

Venus's atmosphere has thick clouds and carbon dioxide.

The solar system is believed to have formed approximately how long ago?

4.5 billion years.

A student is looking at a current model of the Solar System. Which of these BEST describe the model she sees

A heliocentric model, which means the Sun is the center of the Solar System.

Which is made primarily of pieces of rock or iron that enter Earth's atmosphere?

meteorites

Which statement best explains how a lunar eclipse occurs?

Earth is aligned between the Sun and the Moon, and is casting its shadow on the Moon.

Which of the following correctly ranks astronomical objects by size, starting with the smallest?

Earth, sun, solar system, galaxy, universe

What would happen if Earth's orbit and the Moon's orbit were in the same plane?

Eclipses would occur every month

Which property makes Earth unique compared to other planets in the solar system

It has liquid water.

Why does the Moon orbit Earth instead of the Sun?

Gravity depends on distance and the Moon is closer to Earth.*

The reason that a student does not feel the gravitational pull of the Sun is because

the Sun is very far away.

Which statement describes why the Earth has seasons?

Its axis is tilted as it revolves around the sun.

Which is a gaseous planet?

Jupiter

The asteroid belt can be found between

Mars and Jupiter

Which action could prove the heliocentric model over the geocentric model?

Mathematically measure and map the precise orbits of the planets in our Solar System.

What galaxy do we live in?

MilkyWay

Many scientists used to accept the model that all objects in the universe revolved around the Sun. What d id they learn that made them change this model?

Stars do not revolve around the Sun.

Which of the following lists Earth, Jupiter, the Moon, and the Sun in order from largest to smallest?

Sun, Jupiter, Earth, Moon

In Georgia, summer occurs in July and winter occurs in January. Which of these BEST describe the difference between January and July

The Northern Hemisphere is tilted toward the Sun in July.*

The Sun's gravity holds each planet in its orbit. Pluto is farther away from the Sun than Earth is. How does the effect of the Sun's gravity on Pluto compare with the effect of the Sun's gravity on Earth?

The Sun has less gravitational pull on Pluto because it is farther away.

Middle school science students in Georgia recorded the Sun's location in the sky every day at noon during September and February. Which of these MOST LIKELY describes what the students observed?

The position of the Sun in the sky changed.

Which planet is closer to the Sun than Earth is to the Sun?

Venus

What is true for asteroids, comets, and meteoroids

They all appear at regular intervals.

A characteristic of gaseous planets is that they have

a density greater than Earth's

During what phase of the moon can a lunar eclipse occur?

full moon phase

The force that keeps a communications satellite in orbit around Earth is

gravity

The burst of exponential expansion during the earliest phase of the Big Bang is known as

inflation

Which of these will be the Moon phase during the solar eclipse?

new Moon

4. Which of these will be the Moon phase during the solar eclipse?

new moon phase

A solar eclipse occurs when

the Moon blocks the Earth from the Sun

11. In the geocentric model of the solar system, the motion of the Sun across the sky is due to

the motion of the Sun around the Earth*

A comet is largely made up of what

water and ice.


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