Astr 151 Lecture

What would happen if Earth took less time to travel around the Sun than it does now?

• A day would be longer than 24 hours.

• A year would be longer than 365 days.

• A day would be shorter than 24 hours

• A year would be shorter than 365 days.

Which is a true statement?

• The side of the Earth facing the Sun has daytime.

• The side of Earth facing away from the Sun has daytime.

• The side of Earth facing the Moon has nighttime.

• The side of Earth facing away from the Moon has nighttime.

Tags

NGSS.MS-ESS1-1

Why is it generally warmer near the equator than it is near the poles?

• the equator receives more direct sunlight

• the poles receive more direct sunlight

• the equator is closer to the sun

• the poles are closer to the sun

Tags

NGSS.MS-ESS2-6

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Tags

NGSS.HS-ESS1-2

Which elements are most

abundant in the visible

universe?

• Hydrogen and Carbon

• Carbon and Helium

• Hydrogen and Oxygen

• Hydrogen and Helium

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NGSS.HS-ESS1-3

Hubble observed that galaxies are

• expanding

• moving away from us

• moving towards us

• standing still

About how long ago do scientists believe the universe began?

• 13-14 billion years ago

• 13-14 million years ago

• 12-13 billion years ago

• 12-13 million years ago

Tags

NGSS.HS-ESS1-2

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

A light year is

• A unit of time

• A unit of length

• A unit of speed

• A unit of intensity

Which planet is the largest?

• Jupiter

• Saturn

• Uranus

• Neptune

Tags

NGSS.MS-ESS1-3