Carbon Dating
Uranium Dating
Potassium Dating
Math of Decay
Pop culture
100

To use this dating method, the object must have been ________ at some point in the past.

Alive

100

Uranium-Lead dating is used on these, which are the building blocks of rocks.

Minerals/zircon/crystals

100

This dating method is best for testing this type of "hot" rock formed by volcanoes.

Igneous 

100

If you have 100g of a "Parent" atom, how much is left after one half-life?

50g

100

This is the name of Batman's side kick. 

Robin

200

If a bone has 50% of its Carbon-14 left, this many half-lives have passed

One

200

The Uranium "Parent" element eventually turns into this metal, which is also used in pencils (though pencils actually use graphite!).

Lead

200

When lava is melted, this "Daughter" gas bubbles out and escapes. When the rock hardens, the gas is trapped inside.

Argon-40

200

This is the name we give to the atom that is created after decay.

Daughter

200

Describing "low quality," addictive online content

Brain-rot

300

Scientists don't use Carbon dating for dinosaur bones because this "clock" runs out after about _____ years.

60,000

300

This is the name of the tiny, super-tough crystal that acts like a "time capsule" for Uranium.

Zircon

300

The half life of Potassium-40

1.3 billion

300

If a scientist sees a 1:1 ratio (half and half) of Parent to Daughter, they know exactly _____ half-life has passed.

One

300

This is the best-selling video game of all time

Minecraft

400

This is the specific gas that living organisms breathe in to get Carbon-14 in the first place.

Carbon Dioxide

400

This is the half life of Uranium 238

4.5 billion

400

True or false, you can use potassium argon dating to date rocks from the Cambrian era?

True

400

If a mystery element has a half-life of 100 years, how much time has passed once the sample has reached its third half-life?

300

400

This is the most watched Youtube video of all time

Baby Shark Dance

500

If a wooden log has 25% of it's carbon-14 left, about how many years old is it?

11,460 OR 12,000

500

If a Zircon crystal has almost no Lead in it, does that mean the rock is very Young or very Old?

Young

500

Potassium-Argon is great for dating fossils found in East Africa that are this many millions of years old.

100,000 - 4 billion years old

500

A rock has 1/8th of its original Uranium left. How many half-lives have passed?

Three

500

This animated film won the 2026 Oscar for "Best Animated Picture"

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