Quiz 6.3

What is the youngest Layer?

• A

• B

• C

• E

Tags

NGSS.MS-ESS1-4

What is the Oldest Layer?

• A

• B

• C

• E

Tags

NGSS.MS-ESS1-4

The half life of an isotope is 3 years, how long would it take 4g to decay into 0.5 g

• 0 years

• 3 years

• 6 years

• 9 years

Tags

NGSS.HS-PS1-8

When sediments wash away to create new formations it is called...

• Weathering

• Erosion

• relative dating

• absolute dating

Tags

NGSS.MS-ESS2-2

When sediments break down to create new formations it is called...

• Weathering

• Erosion

• relative dating

• absolute dating

Tags

NGSS.MS-ESS2-1

An isotope has a half life of 3 years. 6 years of decay has happened. How many half lives have passed.

• 0 half life

• 1 half live

• 2 half life

• 3 half life

Tags

NGSS.HS-PS1-8

What is the definition of a half life?

• Half of an organism.

• Decay of a rock

• The time it takes for half of the material to decay.

• Time it takes to destroy all the material

Tags

NGSS.HS-PS1-8

If you start with 160 grams of a radioactive isotope that has a half-life of 10,000 years, how much of the isotope will remain after 20,000 years?

• 80 grams

• 40 grams

• 20 grams

• 160 grams

Tags

NGSS.HS-PS1-8

Carbon-14 has a half-life of 5,730 years. If a sample originally had 120 grams of carbon-14, how many grams would be left after 11,460 years?

• 60 grams

• 30 grams

• 15 grams

• 120 grams

Nora, Mia, and Michael are studying nuclear physics. They came across an isotope in their textbook. Can you help them determine the half-life of this isotope?

• 5 seconds

• 10 seconds

• 15 seconds

• 20 seconds

Tags

NGSS.HS-PS1-8