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Study Guide for Plate tectonic and radioactive decay test

Total questions: 45

Worksheet time: 11hrs 15mins

Name
Class
Date
1.

Which type of plate boundary would cause mountains to form?

a)

Transform

b)

Convergent

c)

Divergent

d)

Reform

2.

The Great Rift Valley in Africa and the Mid-Ocean Ridge were all created by this boundary

a)

Divergent

b)

Convergent

c)

Reform

d)

Transform

3.

Scientists think that convection currents that move the plates flow in Earth's

a)

Continental crust

b)

Oceanic crust

c)

Asthenosphere

d)

Lithosphere

4.

Which of the following occurs because of convection currents?

a)

Tectonic plates on the crust move.

b)

The mantle increases in size.

c)

Pressure in the crust increases.

d)

Pressure in the crust decreases.

5.

What type of plate boundary is this?

a)

Plate

b)

Divergent

c)

Convergent

d)

Transform

6.

What type of plate boundary is this?

a)

Transform

b)

Convergent

c)

Divergent

d)

Plate

7.

Where would the oldest rock be found?

a)

L

b)

M

c)

N

d)

O

8.

Mountains are created when....

a)

Two continental plates collide

b)

Two oceanic plates pull apart

c)

An Oceanic plate subducts under a Continental Plate

d)

Two continental plates pull apart

9.

Oceanic Trenches are formed by _______ plate boundaries

a)

Convergent

b)

Transform

c)

Plate

d)

Divergent

10.

Which type of Crustal Features below are created from a Convergent boundary? (Select more than one)

a)

Ocean Trench

b)

Mountain

c)

Volcano

d)

Rit Valley

e)

Fault Line

11.

Which of the options below was created from a Divergent Plate Boundary? (Hint: Pick more than one)

a)

Rift Valley

b)

Mid-Ocean Ridge

c)

Seafloor Spreading

d)

Mountain

e)

Faultine

12.

Alfred Wegener is credited with discovering which of the following?

a)

Plate Tectonic Theory

b)

Pangea

c)

Divergent Boundaries

d)

Convergent Boundaries

e)

Transform Boundaries

13.
What causes tectonic plates to move along the Earth's surface?
a)
wind
b)
ocean currents
c)
convection in the mantle
d)
expansion of the Earth
14.
What type of boundary occurs when two plates move away from each other?
a)
transform
b)
subduction
c)
convergent
d)
divergent
15.
What forms at a divergent boundary between two oceanic plates?
a)
rift valley
b)
mountain
c)
mid-ocean ridge
d)
trench
16.
Which type of crust is more dense?
a)
oceanic
b)
continental
c)
divergent
d)
pizza
17.
What type of boundary occurs when two plates move toward each other?
a)
convergent
b)
divergent
c)
transform
d)
lateral
18.
What forms at a convergent boundary between a continental plate and an oceanic plate?
a)
volcanoes
b)
rift valleys
c)
faults
d)
mid-ocean ridges
19.
A rift valley occurs at a ____________ boundary.
a)
divergent
b)
convergent
c)
transform
d)
horizontal
20.
What is the process in which hot molten rock rises, then cools and sinks back to the core?
a)
plate tectonics
b)
continental drift
c)
convection
d)
divergence
21.
A trench forms at a _________ boundary.
a)
convergent
b)
divergent
c)
transform
d)
vertical
22.
Mountains form at a ___________ boundary.
a)
transform
b)
divergent
c)
convergent
d)
subduction
23.
What type of boundary occurs when two plates slide past each other?
a)
divergent
b)
transform
c)
lateral
d)
convergent
24.
A fault forms at a _________ boundary.
a)
transform
b)
divergent
c)
horizontal
d)
convergent
25.
What type of boundary is shown at A?
a)
transform
b)
convergent
c)
divergent
d)
subduction
26.
What is happening at point B?
a)
subduction
b)
a divergent boundary
c)
convection
d)
an earthquake
27.
What is the process in which two plates move toward each other but one sinks under the other?
a)
subduction
b)
convection
c)
divergence
d)
transformation
28.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

29.

How do you calculate mass number?

a)

Mass x percent

b)

Protons + Electrons

c)

Protons + Neutrons

d)

Neutrons + Protons + Electrons

30.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
31.
How many neutrons in C-14?
a)
6
b)
7
c)
14
d)
8
32.

In an atom, there are three types of subatomic particles. ______ are positively charged, ______ are negatively charged, and ______ are neutral.

a)

Protons, Electrons, Neutrons

b)

Electrons, Protons, Neutrons

c)

Neutrons, Protons, Electrons

d)

Electrons, Neutrons, Protons

33.

The atomic number tells the number of ______ in an atom, which never changes.

a)

Protons

b)

Neutrons

c)

Electrons

34.

An atom of an element with a different number of neutrons and therefore a different atomic mass

a)

Isotope

b)

Ion

c)

Atom

d)

Particle

35.

What is the ATOMIC MASS of the isotope Carbon-14?

a)

14

b)

6

c)

12

d)

20

36.

Isotopes of the same element have the same number of ________ but a different number of _______.

a)

protons, neutrons

b)

neutrons, protons

c)

protons, electrons

d)

electrons, neutrons

37.

The identity of a chemical element is always determined by which of the following?

a)

the number of protons it has

b)

the number of neutrons it has

c)

the number of electrons it has

38.

By studying the picture, you can determine that Carbon-13 has ____ protons.

a)

6

b)

13

c)

12

d)

14

39.

Which statement about radioactive isotopes is TRUE?

a)

All radioactive isotopes decay at the same rate.

b)

All radioactive isotopes release beta particles.

c)

Scientists in labs create all radioactive isotopes.

d)

All radioactive isotopes decay because their nucleus is unstable.

40.

Half-life refers to the

a)

Process by which an unstable nucleus turns into a stable nucleus

b)

Amount of time for half of a radioactive sample to decay.

c)

Number of radioactive nuclei that remain after 500 days.

d)

Average mass of an element's isotope.

41.

If the half-life of a radioactive substance is 4 days, how much of a 200-g radioactive sample is left after 16 days?

a)

800g

b)

50g

c)

25g

d)

12.5g

42.

Radioactive decay results in the emission of _______ and _______

a)

matter and atoms

b)

matter and energy

c)

helium and energy

d)

energy and mass

43.

The diagram shows 32 atoms

32 of the Red are the parent isotope

0 of the atoms are daughter isotopes

How many half-lives have occurred?

a)

0

b)

1

c)

2

d)

3

44.

The diagram shows 32 atoms.

16 of the Red are parent isotopes

16 of the Green are daughter isotopes

How many half-lives have occurred?

a)

0

b)

1

c)

2

d)

3

45.
If the half-life of uranium-232 is 70 years, how many half-lives will it take for 10 g of it to be reduced to 1.25 g?
a)
1 half-life
b)
2 half-lives
c)
3 half-lives
d)
4 half-lives

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