WorksheetsSpring Semester Exam 2017
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
Which of the following make it possible for water to exist in all three states (solid, liquid, gas) on Earth?
a)
present of plants and animals
b)
spinning of Earth's rotation and distance from the sun
c)
the magnitude of Earth's radius and mass
2.
Why is the sun necessary for plants to live on Earth?
a)
plants convert the sun's energy into food
b)
plants convert the sun's energy into nitrogen
c)
plants convert the sun's energy into water
3.
What is the part labeled A for?
a)
get astronauts into space
b)
provide boost
c)
push the shuttle past Earth's gravity
4.
What would happen to an astronaut on a spacewalk if he didn't have tethers on?
a)
Not have enough oxygen to breathe
b)
not be able to communicate with the shuttle
c)
float off into space
5.
How does the ozone protect living things on Earth?
a)
reflects ultraviolet rays
b)
creates energy
c)
produces water vapor
6.
Sinkholes result from the erosion of bedrock. What can you conclude about the rock in these areas?
a)
hard and dense
b)
easily dissolved by water
c)
rock was formed during volcanic eruption
7.
Which of the following is an incorrect statement about the flow of water in a watershed?
a)
boundary separating is called a divide
b)
plants cause erosion
c)
human activity can affect the flow of water
8.
What is it called if pollution causes a change in the temperature of the water and it is returned to it's original area?
a)
biological pollution
b)
thermal pollution
c)
chemical pollution
9.
What force is mainly responsible for the erosion in the hot, dry Southern High Plains of Texas?
a)
gravity
b)
ice
c)
wind
10.
What are the two processes that result in rocks being broken down into smaller pieces?
a)
chemical weathering and rain
b)
physical weathering and wind
c)
chemical weathering and physical weathering
11.
What is the difference between a flash flood and heavy rain?
a)
flood followed by strong winds
b)
flood strikes quickly, not allowing organisms to flee
c)
flood increases the areas where trees can grow
12.
What catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
volcanic eruption
b)
tornado
c)
flood
13.
What is the advantage of having different shaped beaks?
a)
to be able to eat the food available
b)
to protect itself against predators
c)
to look different from other species
14.
Which of the following is an example of selective breeding?
a)
humans breeding dogs for a specific coat color
b)
giraffes with long necks survive the dry season
c)
green grasshoppers being able to blend in with the grass
15.
Which of the following is an example of natural selection?
a)
breed specific type of corn to get a bigger size
b)
giraffes' necks lengthen over time to reach food during the dry season
c)
breed specific turkey to get bigger size
16.
Why would a population with a large amount of genetic variation be more likely to survive a severe climate change in its environment?
a)
a. The individuals would produce more offspring
b)
a. Individuals better suited for the new climate will help the others
c)
a. Some individuals will have traits better suited for the climate and will be more likely to pass that on to their offspring
17.
The greater the biodiversity is, the ____________ sustainable an ecosystem is
a)
more
b)
equal
c)
less
18.
Which of the following is NOT a threat to ecosystem sustainability?
a)
invasive species
b)
disease
c)
predators
19.
Which type of terrestrial biome has the greatest biodiversity?
a)
taiga
b)
rain forest
c)
deciduous forest
20.
A very small part of the environment that supports a very specific flora or fauna-
a)
micro-habitat
b)
ecosystem
c)
biome
21.
___________ is the ability of an environment to meet the human needs indefinitely.
a)
sustainability
b)
provideability
c)
success
22.
Which of the following is an example of a micro-habitat?
a)
city
b)
forest
c)
puddle
23.
What does this picture show?
a)
Primary Succession
b)
Secondary Succession
c)
Tertiary Succession
24.
Which of the following is a pioneer species?
a)
Lichen
b)
Trees
c)
Shrubs
25.
Which consumer only gets 10% of its energy from plants?
a)
Secondary Consumer (Omnivore/Carnivore)
b)
Tertiary Consumer (Carnivore)
c)
Primary Consumer (Herbivore)
26.
The process by which waste and dead organisms release nitrogen back into the soil to be used again.
a)
sublimation
b)
decomposition
c)
denitrification
27.
What does a food chain represent?
a)
transfer of energy
b)
how organisms grow
c)
the increase in size among organisms in the ecosystem
28.
How do producers obtain energy?
a)
obtain energy by eating plants
b)
extract chemical energy from decaying organic material
c)
capture energy from the sunlight and manufacture their own food.
29.
What is the energy conversion during photosynthesis?
a)
radiant to biological
b)
chemical to physical
c)
radiant to chemical
30.
What is the formula for work?
a)
W = F x D
b)
F = W x D
c)
W = F x M
31.
Megan kicks a ball with a force of 20N to Scoutabail and Amariss, who are 5M away. How much work did she do?
a)
25J
b)
100J
c)
75J
32.
The “face” of a sunflower move as the sun moves across the sky. This response is known as –
a)
photosynthesis
b)
phototropism
c)
geotropism
33.
What is homeostasis?
a)
changes in species over time
b)
response of an organism to a stimulus
c)
maintenance of a stable environment by responding to changes from internal and external stimuli
34.
When faced with a threatening stimulus such as a predator or natural disaster, organisms display the _________________ response?
a)
fight or flight
b)
tropism
c)
nothing
35.
Which of the following is not a type of tropism?
a)
geotropism
b)
hydrotropism
c)
thingamajigtropism
36.
Which of the folliwng is an exmaple of external stimulus?
a)
plant wilting
b)
vomiting
c)
jumping from a loud noise
100 %
