WorksheetsFundamental Forces, Atoms, Radiometric Dating, Sci Notation
Total questions: 45
Worksheet time: 36mins
Name
Class
Date
1.
The four fundamental forces of nature are:
a)
Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear
b)
Gravity, Strong Nuclear, Weak Nuclear, Medium Nuclear
c)
Normal Force, Force due to gravity, Magnetism, Nuclear
d)
Nuclear, Electricity, Gravity, Atomic
2.
Rank the four fundamental forces of nature in order from weakest to strongest:
a)
Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear
b)
Weak Nuclear, Gravity, Electromagnetism, Strong Nuclear
c)
Gravity, Weak Nuclear, Electromagnetism, Strong Nuclear
d)
Weak Nuclear, Electromagnetism, Gravity, Strong Nuclear
3.
Gravity is due to:
a)
the pull between Earth and the moon.
b)
the pull between the Sun and Earth.
c)
the pull between any objects with mass.
d)
the pull between atomic nuclei.
4.
The weakest of the four fundamental forces is:
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
5.
The strongest of the four fundamental forces is:
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
6.
________ can be either a force of attraction or repulsion while ____________ is only a force of attraction.
a)
Gravity; Electromagnetism
b)
Electromagnetism; Gravity
c)
Gravity; Strong nuclear force
d)
Magnetism; Electricity
7.
Gravity has a range that is ____________.
a)
Short
b)
Long
c)
Infinite
d)
Variable
8.
When an atom undergoes radioactive decay, the energy that is released is due to:
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
9.
An apple falling from a tree is an example of the force of ____________.
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
10.
An electron moving in wire is an example of ____________.
a)
Gravity
b)
Electromagnetism
c)
Strong Nuclear
d)
Weak Nuclear
11.
If this substance takes up 6ml of space, what is its mass?
a)
6 ml
b)
6 grams
c)
0 grams
d)
4 grams
12.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
13.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
14.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
15.
Which of the following is NOT a part of the atom?
a)
proton
b)
neutron
c)
alpha particle
d)
electron
16.
What charge does a proton have?
a)
positive
b)
negative
c)
no charge
d)
neutral
17.
What charge does an electron have?
a)
positive
b)
negative
c)
neutral
d)
no charge
18.
What charge does a neutron have?
a)
positive
b)
negative
c)
no charge
d)
neutral
19.
Where are protons located in the atom?
a)
orbitals
b)
nucleus
c)
rings
d)
positive
20.
Where are electrons located in the atom?
a)
Nucleus
b)
Shells/orbitals
c)
rings
d)
center
21.
How does the size of an electron compare to the size of a proton?
a)
larger
b)
smaller
c)
equal
22.
True or False: There is nothing smaller than an atom.
a)
True
b)
False
23.
What is the overall charge of this atom?
a)
+4
b)
-3
c)
+1
d)
-1
24.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
25.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
26.
which atom has 4 neutrons?
a)
Li-6
b)
Li-7
c)
Li-8
d)
they have the same # of neutrons
27.
What charge does a neutron have?
a)
positive
b)
negative
c)
no charge
d)
neutral
28.
Silicon has how many neutrons?
a)
14
b)
15
c)
28.09
d)
1
29.
An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?
a)
30
b)
65
c)
35
d)
95
30.
What is radioactive decay?
a)
The spontaneous breakdown of an atomic nucleus resulting in only energy release
b)
The spontaneous breakdown of an atomic nucleus resulting in only matter release
c)
The spontaneous breakdown of an atomic nucleus resulting in a release of energy and matter
d)
The decay of the use of radios and the increased use of televisions.
31.
Which is not true of radioactive decay?
a)
It is a result of instability in atoms
b)
It happens only in nuclear power plants
c)
Radioactivity can be useful
d)
It is hazardous to human health
32.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma
d)
none
33.
Radiation can cause what?
a)
Superpowers
b)
Cancer
c)
Headaches
d)
The flu
34.
The time for half of the atoms in a sample to go through radioactive decay
a)
is constant
b)
varies
c)
increases with time
d)
decreases with time
35.
When an unstable radioactive atom decays, it usually turns into:
a)
a more stable atom
b)
a less stable atom
c)
the exact same atom but with less pure energy
d)
empty space
36.
The time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called _____.
a)
the daughter product
b)
geologic time
c)
the half-life
d)
the half-time
37.
According to the graph, what fraction of the original parent isotope still exists after 3 half lives?
a)
0,5000 g
b)
0,2500 g
c)
0,1250 g
d)
0.0625 g
38.
You find a rock sample with radioactive atoms present. If 12.5% of the original radioactive atoms were present, how many half-lives has the rock been around for? (Hint, at Half-Life = 0, you start with 100%)
a)
zero
b)
1
c)
2
d)
3
39.
Which radioactive isotope takes the greatest amount of time to undergo radioactive decay?
a)
Carbon-14
b)
Potassium-40
c)
Uranium-238
d)
Rubidium-87
40.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
41.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
42.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
43.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
44.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
45.
Write the answer in scientific notation.
5 x 108 - 3.4 x 108 =
5 x 108 - 3.4 x 108 =
a)
2.4 x 108
b)
2.4 x 100
c)
1.6 x 100
d)
1.6 x 108
100 %
