Understanding Scale and Levels

What does understanding scale help us do?

• Travel faster than light

• Place ourselves in context

• Discover new planets

• Communicate with aliens

Tags

NGSS.HS-ESS2-1

What is an Astronomical Unit (AU) used for?

• Measuring the distance between stars

• Measuring the distance between planets

• Measuring the size of a car

• Measuring the distance between galaxies

Tags

NGSS.HS-ESS1-4

What is the average height of a human?

• 1.7 meters

• 10 micrometers

• 1 nanometer

• 100 meters

What is the approximate size of a cell?

• 1.7 meters

• 10 micrometers

• 1 nanometer

• 100 meters

What is the approximate diameter of the Sun?

• 12,742 km

• 384,000 km

• 1.39 million km

• 1 million km

Tags

NGSS.MS-ESS1-3

How far does the Solar System extend beyond Pluto?

• Millions of km

• Billions of km

• Thousands of km

• Hundreds of km

What type of star is the Sun classified as?

• Giant star

• Dwarf star

• Average star

• Supernova

Approximately how many stars does the Milky Way contain?

• 50-100 billion

• 100-400 billion

• 400-700 billion

• 700-1000 billion

Approximately how many galaxies are contained in the observable universe?

• 2 million

• 2 billion

• 2 trillion

• 20 trillion

What elements are humans made of, according to the text?

• Different elements than stars

• The same elements as stars

• Only water and carbon

• Only earth elements

Tags

NGSS.HS-LS1-6