NOVA: Origins of Life

Earth is a place that is ________ and ________ by life.

• Created, destroyed

• Inhabited, transformed

• Protected, nurtured

• Explored, studied

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

When was Earth "born"?

• 4.5 billion years ago

• 1 billion years ago

• 100 million years ago

• 10,000 years ago

Tags

NGSS.MS-ESS1-4

[Earth] was covered in ________ and smothered in noxious ________.

• Water, gases

• lava, gas

• lava, plants

• Ice, pollutants

Tags

NGSS.MS-ESS2-4

What cataclysm occurred that eventually led to the Moon's formation?

• Volcanic eruption

• Tectonic plate movement

• Asteroid impact

• Nuclear explosion

Tags

NGSS.HS-ESS1-6

When the atmosphere was thicker and dominated by CO2, the Earth had a ________ tinge to it and the oceans would have had an olive ________ color rather than our familiar blue color.

• Red, green

• Yellow, brown

• Blue, purple

• Orange, black

For about the first 600 billion years, comets and asteroids (300 miles across) pounded our planet- a time known as the "Heavy Bombardment." Their impacts vaporized Earth's ________ and melted its ________.

• Mountains, glaciers

• Forests, rivers

• oceans, crust

• crust, mantle

Tags

NGSS.MS-ESS2-2

All living things contain the element(s):

• oxygen

• carbon

• hydrogen

• ALL of these

Tags

NGSS.HS-LS1-6

TRUE OR FALSE: There are living things that can survive extreme temperatures and environments without oxygen.

• True

• False

• I don't remember.

Tags

NGSS.HS-LS2-3

Amino acids are the essential ingredient of which thing in cells?

• lipids (fats)

• water

• proteins

• carbohydrates

Tags

NGSS.HS-LS1-6

Which of the following is an AUTOTROPH? (Autotrophs make their own food.)

• meteor

• cyanobacteria

• mouse

• plants

Tags

NGSS.MS-LS1-6