Earth Systems & Dinosaur Extinction

Scientists know exactly what caused the dinosaur extinction on Earth.

• True

• False

What is the most widely accepted theory about why dinosaurs were killed off?

• Massive flooding on Earth

• An asteroid hit Earth

• An ice age developed on Earth

• Climate change heated up the Earth

Tags

NGSS.MS-LS4-1

What is a group of parts that interact and affect one another?

• evidence

• species

• system

• habitat

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the words below is NOT part of the Earth system?

• biosphere

• geosphere

• terrasphere

• hydrosphere

Which of the following would NOT be part of Earth's geosphere?

• mountains

• rivers

• soil

• volcanoes

Which of the following terms are part of Earth's hydrosphere?

(HINT: There is more than one answer!)

• lava

• groundwater

• glaciers

• ocean

Tags

NGSS.MS-ESS2-4

Which of the following terms are parts of Earth's biosphere?

(HINT: There is more than one answer!)

• soil

• trees

• rocks

• animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

According to scientists' theory about dinosaur extinction, put the following ideas in order of how they occurred.

• Plants and animals began to die off

• A huge asteroid hit Earth

• Ocean temperatures changed

• Gases and dust covered Earth's atmosphere

• Volcanoes around the world began to erupt

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

Which ocean creature went extinct at the same time as the T-rex?

• coral

• megoladon

• mosasaurus

• ammonites

Tags

NGSS.MS-LS4-1

How long ago did the mass extinction of dinosaurs occur?

• 35 million years

• 45 million years

• 65 million years

• 75 million years

Tags

NGSS.MS-LS4-1