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Radioactivity

Total questions: 13

Worksheet time: 8mins

Name
Class
Date
1.

A radioisotope is any atom that contains an unstable _____.

a)

energy level

b)

nucleus

c)

orbital

d)

electron

2.

_____ is when the composition of a radioisotope changes.

a)

ions

b)

isomers

c)

nuclear decay

d)

Geiger counters

3.

What are three types of nuclear radiation?

a)

alpha

b)

beta

c)

gamma

d)

delta

4.

What are three effects of nuclear radiation?

a)

ionizes atoms

b)

molecules change

c)

stabilizes the nucleus

d)

cellular function breaks down

5.

How can nuclear radiation be detected?

a)

Geiger counters

b)

home radiation detectors

c)

masks with filters

d)

film badges

6.

The process in which an unstable atomic nucleus emits charged particles and energy.

a)

radioisotope

b)

energy level

c)

radioactivity

d)

energy charging

7.

The following are common types of nuclear radiation:

a)

x-rays

b)

gamma rays

c)

delta rays

d)

beta particles

8.

Which groups of particles make up an alpha particle?

a)

two electrons

b)

two protons

c)

two neutrons

d)

no electrons, protons, or neutrons

9.

Which events take place during beta decay?

a)

a protein decomposes into a neutron and an electron

b)

a neutron decomposes into a proton and an electron

c)

an electron is emitted from the nucleus

10.

A(n) _____ is a penetrating ray of energy emitted by an unstable nucleus.

a)

alpha particle

b)

gamma ray

c)

beta particle

d)

delta particle

11.

Why does nuclear radiation sometimes damage cells?

a)

it dries cells out

b)

it strengthens chemical bonds

c)

it ionizes atoms

12.

True or False: One potential danger of radon gas is that prolonged exposure to it can lead to lung cancer.

a)

true

b)

false

13.

Geiger counters and film badges are used to detect _____.

a)

carbon monoxide

b)

excessive smoke

c)

nuclear radiation

d)

polution in the air