Radioactivity

Radioactivity

8th - 12th Grade

•

29 Qs

quiz-placeholder

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Radioactivity

Radioactivity

Assessment

Quiz

•

Physics

•

8th - 12th Grade

•

Hard

Used 7+ times

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29 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the instrument used to detect radioactivity.

voltmeter
ohmeter
seismograph
geiger counter

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes something radioactive?

elements with an atomic number above 81
an unstable nucleus
contaminated sewage
It decays over time

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

An isotope of an element has the same number of _________, but a different number of _________.

Protons, electrons
Protons, neutrons
Electrons, neutrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Half-life?

The amount of time it takes for some of the nuclei in a sample of the isotope to decay
The amount of time it takes for half the electrons in a sample of the isotope to decay
The amount of time it takes for half the nuclei in a sample of the isotope to decay
the amount of time it takes to double the nuclei in a sample of the isotope to decay

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radioactive tracers are useful in ____.

calculating the ages of fossils 
fueling nuclear reactions 
determining medical problems 
treating brain tumors 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An alpha particle is made up of

2 protons and 4 neutrons

1 proton and 1 neutron

2 protons and 2 neutrons

4 protons and 2 neutrons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of nuclear radiation can be stopped by a sheet of paper?

Alpha

Beta

Gamma

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