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Worksheets7th Grade Science Final
Total questions: 30
Worksheet time: 25mins
Name
Class
Date
1.
After lava flows from a volcano, the lava can become igneous rock due to which process?
a)
Erosion
b)
Cooling
c)
Pressure
d)
Cementation
2.
Which two organ systems work together to control the rate of a person’s breathing?
a)
Digestive & Respiratory
b)
Circulatory & Skeletal
c)
Nervous & Respiratory
3.
What is the main function of a lysosome in an animal cell?
a)
Breaking down damaged cell parts
b)
Transporting substances out of the cell
c)
Holding genetic material
4.
When the concentration of water in the cell is higher than the concentration of water outside the cell...
a)
water will exit the cell through active transport
b)
water will enter the cell through diffusion
c)
water will exit the cell through osmosis
d)
water will enter the cell through osmosis
5.
The rate at which lithospheric plates move across the surface of Earth is best compared to the speed that a
a)
human fingernail grows
b)
car travels on a highway
c)
rocket escapes the atmosphere of Earth
d)
meteroid passes through the atmosphere of Earth
6.
An airplane is in flight. If the airplane is experiencing balanced forces, the airplane is best described as
a)
slowing and descending
b)
rising and accelerating
c)
flying along a straight path at a constant speed
d)
flying along a curved path at an icreasing speed
7.
In humans, free-hanging earlobes (E) are dominant to attached earlobes (e). If the parents are both heterozygous for free-hanging earlobes. What is the probability that an offspring of this cross will have free-hanging earlobes?
a)
25%
b)
50%
c)
75%
d)
100%
8.
A student did 60 newton-meters of work by pulling a box 6 meters.
F = W / d
How much force did the student apply?
F = W / d
How much force did the student apply?
a)
5 N
b)
10 N
c)
20 N
d)
180 N
9.
Name the Law: A person steps out of a boat and onto a dock. As the person moves forward onto the dock, the boat moves backward.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
d)
Newton's Fourth Law
10.
Which of these is the best example of a product that results from adaptive engineering?
a)
a farm tool with a curved blade
b)
a water sprinkler activated by a timer
c)
a system for planting different crops each year
d)
a genetically modified plant species that resists pests
11.
Which of these is the most likely negative consequence of the greenhouse effect?
a)
sea levels lowering
b)
polar icecaps melting
c)
areas receiving acid rain expanding
d)
pollution in food chains increasing
12.
Due to tectonic plate movement, San Francisco and Los Angeles will be next to each other in about 15 million years. What is the most likely rate of tectonic plate movement at the San Andreas Fault?
a)
0.04 cm per year
b)
0.4 cm per year
c)
4.0 cm per year
d)
40 cm per year
13.
A student rode a bicycle at an average speed of 12 miles per hour for 2 hours.
distance = speed x time
How far did they travel?
distance = speed x time
How far did they travel?
a)
6 mi
b)
18 mi
c)
24 mi
d)
42 mi
14.
Which statement best describes a characteristic of a dominant gene?
a)
They are passes only to offspring in pairs
b)
They are passes only to female offspring
c)
They are masked by recessive alleles
d)
They mask recessive alleles even if only one is dominant
15.
Some human activities release greenhouse gases, including carbon dioxide, into the atmosphere. Which step would most likely help reduce the amount of carbon dioxide released?
a)
reusing plastic bags instead of throwing them away
b)
watering plants with rainwater instead of using tap water
c)
traveling in cars instead of riding bicycles
d)
generating power with wind turbines instead of burning coal
16.
An engineer builds a new machine that cuts glass. The machine holds a sharpened mineral that is used to cut the glass.
Which test will best determine if the new machine works?
Which test will best determine if the new machine works?
a)
test it at different speeds
b)
test it using different people
c)
test it at different times of the day
d)
test is using different thicknesses of glass
17.
The reactants of cellular respiration are also the products of
a)
fermentation
b)
osmosis
c)
transpiration
d)
photosynthesis
18.
Sea stars have the ability to regenerate half their body when attacked by a fish.
Which statement best explains what type of reproduction occurs when sea stars regenerate?
Which statement best explains what type of reproduction occurs when sea stars regenerate?
a)
Asexual because each half has a similar structure
b)
Asexual because each half has the same genetic information
c)
Sexual because each half has a parent and an offspring
d)
Sexual because two gametes unite
19.
The part of a chromosome that carries information for a particular trait is called a
a)
protein
b)
gene
c)
nucleus
d)
gamete
20.
What is Rock Type 2?
a)
sedimentary
b)
metamorphic
c)
igneus
d)
lava
21.
Which of the following is the most complex?
a)
Smooth Muscle Tissue
b)
Gastric Muscle Cell
c)
Small Intestine
d)
Cell Membrane
22.
Which part produces pollen?
a)
W
b)
X
c)
Y
d)
Z
23.
Which part holds the ovules?
a)
W
b)
X
c)
Y
d)
Z
24.
What type of wave is this?
a)
Ocean wave
b)
Transverse Wave
c)
Longitudinal Wave
d)
Sound Wave
25.
Which of the following best describes this wave?
a)
wavelength equals the amplitude of the crest
b)
wavelength is the distance from crest to trough
c)
amplitude of the crest equals the amplitude of the trough
d)
amplitude is the distance from one crest to the next crest
26.
What gas does X represent?
a)
Carbon Dioxide
b)
Nitrogen
c)
Water Vapor
d)
Oxygen
27.
Name the organelle at the arrow.
a)
mitochondrion
b)
ribosome
c)
chloroplast
d)
Golgi body
28.
What is the function of this organelle?
a)
store water
b)
absorb energy from the sun
c)
create proteins
d)
release ATP
29.
Which of the following is caused by the movements of these tectonic plates?
a)
hurricanes
b)
mountain forming
c)
seafloor spreading
d)
ocean currents
30.
Which of these is the best way to produce a longitudinal wave?
a)
heating a block of iron
b)
freezing a tray of water
c)
squeezing a releasing a metal spring
d)
shaking a rope up and down
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