Half-Life (Gizmo)

Half-Life (Gizmo)

9th - 12th Grade

28 Qs

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Half-Life (Gizmo)

Half-Life (Gizmo)

Assessment

Quiz

Other Sciences

9th - 12th Grade

Practice Problem

Medium

Used 74+ times

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28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A radioactive atom can change:

at any time
only in a microwave
only when it is hot
only when it is cold

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radioactive atoms change by emitting:

tiny particles
energy
both
neither

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a radioactive atom decays, it turns into:

a daughter atom
a cousin atom
the exact same atom but with less energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An instrument that detects the particles and energy emitted  by decaying radioactive atoms:

a Geiger counter
a Richter scale
a Kelvin scale
a Punnet square 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is the rate of decay fastest at the beginning, middle, or end of the process?

the beginning
the middle
he end

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One group of unstable atoms have a half-life of 35 seconds.  Another group has a half-life of 5 seconds.  Which group approaches zero unstable atoms first?

The 35 second half-life
The 5 second half-life
They approach zero at the same time

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which correctly calculates an average of data points?

33 + 29 + 30 + 37 + 30 ÷ 5
(33 + 29 + 30 + 37 + 30) ÷ 5
33 + 29 + 30 + 37 + 30 x 5
(33 + 29 + 30 + 37 + 30) x 5

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