Order these from largest to smallest.

Universe, Galaxy, Solar System, Planetary System

Galaxy, Universe, Planetary System, Solar System

Planetary System, Solar System, Galaxy, Universe

Solar System, Universe, Galaxy, Planetary System

Which question would BEST explain why scientists now use heliocentric model to describe Earth’s position in the solar system?

Did new evidence change our understanding of the position of the Earth and sun?

Did the position of the Earth and sun change over time in the solar system?

Did new planets form and change the relative position of the sun and Earth?

Did the sun’s position change over time in the solar system?

Which question, if answered, will BEST help you predict how the model of the Milky Way will look in the future?

How will the Milky Way continue to move outward as a result of the Big Bang?

How will the Milky Way expand and get larger as a result of the Big Bang?

How will the Milky Way contract and get smaller as a result of the Big Bang?

How will the Milky Way change shape and composition as a result of the Big Bang?

A student is observing an image of an object that could be a comet, meteoroid or asteroid. Which of the following questions would BEST confirm that the object is a comet?

Does the object contain metals?

A student is observing an image of an object that could be a comet, meteoroid or asteroid. Which of the following questions would BEST confirm that the object is a meteoroid?

Was the object once part of an asteroid?

Which of the following best describes the Big Bang?

The Big Bang was the first explosion that started the expansion of the universe.

The Big Bang was a supernova explosion that created the galaxy.

The Big Bang was two black holes merging.

Astronomers categorize galaxies into a handful of basic shapes. What can you conclude from this fact?

Galaxies are generally all formed by the same forces.

Galaxies all come from the same planetary nebula.

The number of stars in a galaxy determine its shape.

All galaxies have about the same number of stars.

What is the difference between a meteor and a meteorite?

Meteors burn up in earth’s atmosphere; meteorites strike the earth

Meteors are found throughout the solar system; meteorites are found only in the asteroid belt

Meteors are similar to comets; meteorites are similar to dwarf planets

Meteors are much larger than meteorites

What is the best explanation for why people often confuse meteors with the term shooting star ?

Meteors are fireballs that burn up when they slam into Earth’s atmosphere at high speeds leaving white trails across the sky.

Meteors are fireballs that burn up when they slam into Earth’s atmosphere at high speeds leaving red trails across the sky.

Meteors are small rocky objects in the solar system that enter Earth’s atmosphere leaving white trails across the sky.

Meteors are composed mostly of ice and dust that enter Earth’s atmosphere leaving red trails across the sky.

What is a solar eclipse?

moon blocks our ability to see sun

sun blocks our ability to see moon

What is bigger the sun or the moon and how much bigger?

Sun is 400 times bigger than the moon

Moon is 400 time bigger than the sun

Which is bigger the earth or the moon?

They are smaller than each other

Which has more mass the earth or the moon

The earth has more mass than the moon

The moon has more mass than the earth

Why do we see different shapes of the moon?

The moon changes shapes by the amount of sun shining on the sphere

Optical illusion using a flashlight and slight of hand

What are the planets in the sun

Mercury Venus Earth Mars Jupiter Saturn Neptune Uranus

Mercury Venus Earth Mars Jupiter Uranus Neptune Saturn

Mercury Mars Venus Earth Jupiter Saturn Uranus Neptune

NWEA Science

6th - 8th Grade

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Abigail Splawn

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This organelle is semi-permeable. It allows materials to come into the cell, but it also allows materials to leave the cell. It is in all cells.

This organelle is a gelatin-like substance and "fills out" the cell. In this material, all the organelles are suspended. It's like the "gunk" in the cell.

This organelle ensures that the cell has energy to power cellular functions.

This organelle stores waste and assists with the clean-up of the cell.

DNA can be found within the ______ of Eukaryotic cells.

The ____________ stores water and fibers in plant and animal cells, but it is much larger in plant cells.

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