AnswersPARTA - EOP PGCPS BIOGEOCHEM CR FALL2026 - 798113Lab: Environmental Changes in a Watershed

Lab: Environmental Changes in a Watershed — Cumulative exam Answers

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1
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Which is one characteristic that is used to identify types of metamorphic rocks?

A
color
B
rock size
C
grain arrangement
D
type of rock before metamorphosis
2
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Study the image.

Question illustration
A
1
B
2
C
3
D
4
3

Look at the image of the moon.

Question illustration
A
full moon
B
third quarter
C
waxing gibbous
D
waning crescent
4

Which two processes would most likely cause metamorphic rocks to change into sediments?

A
compaction and erosion
B
cementation and weathering
C
erosion and weathering
D
heating and compaction
5

In addition to Earth, which planet has evidence of water on the surface?

A
Mars
B
Mercury
C
Neptune
D
Saturn
6

The picture shows two different species of mammals that use wings to glide among tree tops. However, scientists theorize that these mammals are not closely related.

Question illustration
A
They have analogous structures that developed for different functions.
B
They have homologous structures that developed for different functions.
C
They live in similar environments and have analogous structures adapted to them.
D
They live in similar environments and have homologous structures adapted to them.
7

Which type of electromagnetic waves make up the colors of a rainbow seen after a storm?

A
visible light
B
infrared light
C
X-rays
D
ultraviolet light
8

Examine the image of the Hertzsprung-Russell diagram.

Question illustration
A
cool
B
hot
C
large
D
small
9

Which statement describes the energy that a transverse wave carries as its amplitude increases?

A
It increases and is perpendicular to the motion of the wave.
B
It decreases and is perpendicular to the motion of the wave.
C
It increases and is parallel to the motion of the wave.
D
It decreases and is parallel to the motion of the wave.
10

Which process of sedimentary rock formation occurs last?

A
cementation
B
compaction
C
deposition
D
erosion
11

Study this image of space.

Question illustration
A
a nebula
B
a red giant
C
a supernova
D
a neutron star
12

The image shows an up-close view of a rock.

Question illustration
A
jagged grains
B
coarse grains
C
rounded grains
D
non-banded grains
13

Which types of electromagnetic waves have frequencies that are higher than those of ultraviolet light but lower than those of gamma rays?

A
microwaves
B
X-rays
C
infrared light
D
radio waves
14

A person could float most easily in ocean water that has which characteristic?

A
warm
B
fresh
C
low mass
D
low freezing point
15

At which point is crust neither created nor destroyed?

A
island chain
B
mid-ocean ridge
C
divergent boundary
D
transform boundary
16

Which statement describes Earth?

A
It is an outer planet.
B
It is a gaseous planet.
C
It was formed from gas and dust.
D
It has a thick atmosphere of hydrogen and helium.
17

Which list correctly names the three types of galaxies?

A
binary, open, globular
B
elliptical, open, binary
C
irregular, spiral, elliptical
D
open, irregular, spiral
18

What do scientists know about the future of the universe?

A
what dark matter is made of
B
why the expansion of the universe is accelerating
C
that stars will eventually burn out causing the universe to become cold and dark
D
that galaxies spin much slower than they should based on visible matter
19

Which describes one event that causes an eclipse?

A
Earth’s rotation on its axis
B
shadows from clouds covering Earth
C
Earth’s shadow covering the moon
D
the gravity from the moon and Sun pulling in the same direction
20

In addition to having a blue color, what other characteristic do Neptune and Uranus share?

A
no rings
B
27 moons
C
no axis tilt
D
cold temperatures

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