Geologic Time Goal E

Geologic Time Goal E

Multiple Choice

About how old is this rock sample?

• BRAND NEW

• VERY OLD

Multiple Choice

The half life of skittilium is, 1,000 years. About how old is this rock sample?

• 0 years

• 1,000 years

• 1,500 years

• 2,000 years

Multiple Choice

The half life of skittilium is 1,000 years. About how old is the rock sample?

• 0 years

• 1,000 years

• 1,500 years

• 2,000 years

• 2,500 years

Multiple Choice

The half life of skittilium is 1,000 years. About how old is the rock sample?

• 0 years

• 1,000 years

• 1,500 years

• 3,000 years

• 2,500 years

Watch this video below

https://www.youtube.com/watch?v=js7weHZIQ5o&feature=emb_logo

Multiple Choice

If Element X has 50% of it’s radioactive atoms left. How old is the rock?

• 0 BYA

• 1.3 BYA

• 2.6 BYA

• 3.9 BYA

• 5.2 BYA

Multiple Choice

If Element X has 25% of it’s radioactive atoms left. How old is the rock?

• 0 BYA

• 1.3 BYA

• 2.6 BYA

• 3.9 BYA

• 5.2 BYA

Multiple Choice

If Element X has 12.5% of it’s radioactive atoms left. How old is the rock?

• 0 BYA

• 1.3 BYA

• 2.6 BYA

• 3.9 BYA

• 5.2 BYA

Multiple Choice

If Element X is 3.9 billion years old. Which pie chart would represent the amount of radioactive material remaining?

Multiple Choice

If Element X is 2.6 billion years old. How many half lives have passed?

• 0 half lives

• 1 half life

• 2 half lives

• 3 half lives

Open Ended

If Element X has 50% of its radioactive atoms left. How old is the rock?

Open Ended

Use the graph to determine the half life of element X

Open Ended

If two half lives of Element X have passed, how old is the rock?