HMH Science Unit 2 Lesson 3 Earth's Place in the Universe (Space Science)

If you were standing on a sidewalk, how could you figure out where you are in a city without using a map?

• look at buildings

• look at street signs

• ask somebody

• look at the sun's location to tell if you are North, South, West, or East

• All of the above

How would a map of a galaxy be different from a map of a city?

• it shows outer space

• It would be huge

• there would be three dimensions

• the planets and stars would look like they're in motion

• all of the above

Tags

NGSS.MS-ESS1-2

Our galaxy, the Milky way is one out of ________ of galaxies.

• billions

• millions

• trillions

• thousands

Tags

NGSS.MS-ESS1-2

True or False:

A galaxy is a large collection of stars, gas, and dust held together by gravity.

• True

• False

Tags

NGSS.MS-ESS1-2

Is most of the Milky Way visible when we observe space?

• yes

• no

_______ and ________ can be used to collect data and give us a much better understanding of our galaxy. (2 things)

• telescopes

• space probes

• phones

Tags

NGSS.MS-ESS1-2

Data from telescopes and space probes can expand/decrease our understanding of the size of our galaxy compared to the surrounding universe.

• expand

• decrease

• both

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

How do scientific discovery and technology influence each other?

• if you make a scientific discovery, you might put it on technology

• technology expands our knowledge and helps collect data discoveries that might inspire and engineer to create

Tags

NGSS.MS-PS1-3

For much of human history, the Milky Way was a ______.

• phenomenon

• mystery

Some civilizations thought the Milky Way was a ____________.

• beautiful constellation

• flowing river

• group of stars