wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Radioactivity - Starter

Total questions: 9

Worksheet time: 7mins

Name
Class
Date
1.

What is radioactivity?

a)

The spontaneous decay of a stable nucleus

b)

The spontaneous decay of an unstable nucleus

c)

The spontaneous decay of a neutral nucleus

d)

The spontaneous decay of a stable electron cloud

2.

How many types of radiation does the nucleus emit during decay?

a)

1

b)

2

c)

3

d)

4

3.

Select ALL the types of radiation.

a)

Alpha particle

b)

Beta particle

c)

Gamma rays

d)

Neutron rays

4.

Which can be a type of radiation emitted during radioactive decay?

a)

Alpha rays

b)

Beta rays

c)

Gamma Rays

d)

Neutron flares

5.

During radioactive decay, the structure and mass change.

a)

True

b)

False

6.

What type of nuclear reaction takes places inside nuclear power stations?

a)

nuclear emission

b)

nuclear fission

c)

nuclear fusion

d)

radioactive stabilization

7.

There are nuclear reactions occurring the core of the

a)

Moon

b)

Mars

c)

Sun

d)

Jupiter

8.

Which equation is related to nuclear reactions?

a)

E = F x S

b)

V = D ÷\div T

c)

P = W ÷\div T

d)

E = m x c^2

9.

What will you learn about in today's lesson?

a)

nuclear fusion , nuclear fission and nuclear radiation

b)

nuclear activity, molecular fusion, thermal energy

c)

energy transformation, power and work

d)

the definition of radioactivity