Radioactive Decay
Fission
TRIVIA
Half-life
TRIVIA 2
100

This type of decay releases a helium nucleus

Alpha decay

100

This part of an atom is split during nuclear fission

Nucleus

100

Which australian state or territory has the largest population?

NSW

100

This term refers to the time taken for one half of the atomic nuclei to decay

Half-life


100

Trivia Question: How many signs are there in the Zodiac?

12

200

In beta decay, this particle is emitted when a neutron turns into a proton

Electron, beta particle


200

This isotope of uranium is the most common fuel in nuclear reactors.

Uranium-235

200

Which bone are babies born without?

Kneecap / patella

200

If the half-life of a substance is 10 years, this percentage of the substance will remain after 20 years

25%

200

Trivia Question: What substance are finger nails made out of?

Keratin

300

This form of decay emits high-energy electromagnetic radiation without releasing any particles

Gamma decay

300

This term describes a self-sustaining series of nuclear fission reactions

Chain reaction

300

What do you call a group of horses?

A herd

300

This is the half-life of carbon-14, which is used in dating fossils

5730 years

300

(a-2 x a3)4 =

a4

400

Alpha particles are stopped by this common material

Paper


400

Besides energy, these particles are released during nuclear fission

Neutrons

400

How man players (per term) start on the pitch in field hockey?

11

400

After this many half-lives, 12.5% of the original material remains

3 half-lives

400

Trivia Question: What does a Scoville unit measure?

Spiciness

500

This type of particle is emitted during beta-plus decay, turning a proton into a neutron

Positron

500

Which historical event first demonstrated the power of uncontrolled nuclear fission?

The bombing of Hiroshima (1945)

500

How many teeth does an ADULT human have?

32

500

If a material decays for 100 grams to 12.5 grams in 12 years, this is the half-life of the material

4 years

500

Trivia Question: What is the hardest substance in our body?

Tooth enamel

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