WorksheetsScience ISTEP Review (6th Grade)
Total questions: 60
Worksheet time: 40mins
Name
Class
Date
1.
Why are there high and low tides on Earth?
a)
They are due to changes in the moon’s tilt on its axis.
b)
They are due to the gravitational pull between Earth and the moon.
c)
They are due to the magnetic force between Earth and the moon.
d)
They are due to changes in the moon’s speed every month.
2.
Which contributes to Earth’s ability to sustain life?
a)
The atmosphere allows all of the sun’s radiation to enter due to Earth’s distance from the sun.
b)
The atmosphere prevents all space debris from reaching the surface due to the ozone layer.
c)
The atmosphere is extremely thin due to the temperatures of the sun.
d)
The atmosphere is breathable due to the unique mixture of gases.
3.
The chart shows the amount of sunlight and types of organisms found at different depths in the ocean.
Which best summarizes the relationship between ocean depth and the availability of sunlight and ocean life?
Which best summarizes the relationship between ocean depth and the availability of sunlight and ocean life?
a)
Sunlight is available only at depths of 200 m to 1,000 m.
b)
Sunlight is available for organisms at depths of 0 m to 2,000 m.
c)
Plants are found mainly at depths of 0 m to 200 m because sunlight is available.
d)
Plants are found at depths of 0 m to 2,000 m because sunlight is available.
4.
Why are people able to see the moon?
a)
The moon produces its own light.
b)
Light from Earth reflects off the moon.
c)
Light from the sun reflects off the moon.
d)
The moon is located between Earth and the sun.
5.
This, along with the tilt of the Earth, is the reason we experience different seasons
a)
rotation
b)
revolution
6.
The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.
a)
vernal equinox
b)
axis
c)
solar eclipse
d)
solar flare
7.
The phase of the moon you see depends on
a)
where you are on Earth's surface
b)
how much of the sunlit side of the moon faces Earth
c)
how much of the moon's surface is lit by the sun
d)
whether or not an eclipse is occuring.
8.
For a solar eclipse to occur,
a)
the sun must be directly between Earth and the moon.
b)
the moon must be directly between Earth and the sun
c)
the moon must be directly behind Earth.
d)
Earth must be directly between the sun and the moon.
9.
During what phase of the moon can a lunar eclipse occur?
a)
new moon
b)
first quarter
c)
waxing gibbous
d)
full moon
10.
Tides are caused by the force of ___ from the sun and moon acting on Earth.
a)
gravity
b)
equinoxes
c)
24
d)
umbra
11.
When a solar eclipse occurs, what phase is the moon in?
a)
full moon
b)
new moon
c)
waxing gibbous
d)
waning gibbous
12.
Would a person on the moon weigh the same, more or less than he or she weighs on Earth?
a)
A person's weight would be less because there is less gravity on the moon than on Earth. Their mass (amount of space taken up) would remain the same.
b)
A person's weight would increase because being in space adds space particles to your body causing you to be fatter.
13.
What causes longer summer days (more light)?
a)
Earth tilt's away from the sun in summer
b)
Earth's revolves slower in summer
c)
Earth tilts toward the sun in summer
d)
Earth is closer to the sun
14.
Using the diagram below, what season does the Southern Hemisphere experience when the Earth and the Sun are in the positions shown below?
a)
fall
b)
spring
c)
summer
d)
winter
15.
the amount of matter in an object
a)
displacement
b)
mass
c)
friction
d)
friction
16.
Which of these best describes why your weight (on Earth) would change on another planet?
a)
Dehydration effects on different planets change weight.
b)
In general, the smaller the planet, the greater weight
c)
Different planets have different gravitational pulls
d)
Weight does not change, no matter where you are.
17.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
18.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
19.
At position A, which hemisphere would have summer?
a)
Northern hemisphere
b)
Southern hemisphere
20.
At position D in the Northern hemisphere it would be _____?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
21.
Located between the inner and outer planets.
a)
Sun
b)
Asteroid belt
c)
Uranus
d)
Moons
22.
Outer gas giant planets have all of the following in common, except:
a)
many moons
b)
thick atmospheres
c)
a crust to walk on
d)
rings
23.
Inner rocky terrestial planets have all of the following in common except:
a)
rings
b)
few or no moons
c)
small in size
d)
solid surface
24.
What is the shape of the planet's orbits?
a)
ellipse
b)
circle
c)
square
d)
no particular shape
25.
Which Law States An Object In Motion Wants To Stay In Motion,
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
26.
Temperature, light, air, water, and soil are all _____ parts of the environment
a)
alive
b)
biotic
c)
abiotic
d)
living
27.
Limiting factors are sometimes helpful because they can keep the population from getting too large.
a)
True
b)
False
28.
A producer?
a)
Eats other plants and animals
b)
Makes its own food
c)
Eats dead plants or animals
d)
Makes toys for kids
29.
A consumer?
a)
Makes its own food
b)
Eats dead plants and animals
c)
Eats plants and other animals for energy
d)
Buys toys for kids
30.
Which of the following lists contains only decomposers?
a)
fungi, trees, worms, insects
b)
worms, fungi, insects, bacteria
c)
bacteria, trees, fungi, worms
d)
dirt, bacteria, fungi, worms
31.
a change an animal makes to become better able to survive
a)
transformation
b)
shedding
c)
adaptation
d)
population
32.
a symbiotic relationship in which both animals benefit from the relationship
a)
mututalism
b)
parasitism
c)
commensalism
d)
predation
33.
the weather and temperature of an area
a)
heat
b)
rain
c)
climate
d)
season
34.
What would be an INDIRECT result of removal of lynx and hawks from this ecosystem?
a)
Snowshoe hare population would increase
b)
Fox population would increase
c)
Shrew population would decrease
d)
Willow population would decrease
35.
The amount of space in an object is known as the ________.
a)
mass
b)
grams
c)
volume
d)
temperature.
36.
These planets are called the terrestrial planets
a)
The inner planets
b)
The outer planets
37.
Which best demonstrates a transformation of chemical energy into mechanical energy?
a)
a marble rolling down a track
b)
a lantern burning fuel
c)
a motorcycle using gasoline
d)
a match lighting a candle
38.
When a lamp is turned on, only about 10% of the energy is transformed into light. What happens to the rest of the energy?
a)
The remaining energy is destroyed.
b)
Energy that is not transformed into light becomes
thermal energy.
c)
The rest of the energy is changed into a solid state of
matter.
d)
Energy is recycled back into the electrical circuit.
39.
Which population would be most immediately affected by the removal of the lizard population?
a)
sedges
b)
algae
c)
ants
d)
centipedes
40.
As it grows from a seed to a mature plant, a plant will grow taller and thicker. Which are abiotic factors most responsible for the increase in the mass of the plant?
a)
water, minerals, bacteria
b)
sunlight, oxygen, plant receptors
c)
minerals, water, plant enzymes
d)
water, sunlight, carbon dioxide
41.
The diagram represents a food pyramid in an ecosystem. The best explanation for the decrease in the amount of energy transferred to each succeeding level is that much of the energy is
a)
consumed by predators
b)
released as heat
c)
stored within inorganic materials
d)
used in photosynthesis
42.
SC.6.L.14.3
The process in plant cells that converts energy from the sun into energy stored in food is ________.
The process in plant cells that converts energy from the sun into energy stored in food is ________.
a)
photosynthesis
b)
cellular respiration
c)
homeostasis
d)
cell division
43.
Deserts, mountains, and rivers are all examples of ________.
a)
vacation spots
b)
tundra
c)
ecosystems
d)
wetlands
44.
Homeostasis refers to an organism's ability to
a)
compete for living space.
b)
dissolve chemicals.
c)
maintain stable internal conditions.
d)
obtain energy.
45.
an organism that is hunted by others as food
a)
predator
b)
prey
46.
an organism that hunts other organisms
a)
predator
b)
prey
47.
a symbiotic relationship in which one animal is harmed, but the other benefits
a)
mutualism
b)
parasitism
c)
commensalism
d)
predation
48.
a symbiotic relationship in which one animal benefits and the other does not
a)
mutualism
b)
parasitism
c)
commensalism
d)
predation
49.
a symbiotic relationship in which one animal benefits and the other animal dies
a)
mutualism
b)
parasitism
c)
commensalism
d)
predation
50.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
51.
What factor would cause animals of the same species to begin competing with one another?
a)
increase in precipitation
b)
the presence of decomposers
c)
the introduction of a new food source
d)
limited supply of resources
52.
Which two types of organisms have a producer-consumer relationship in this African savanna?
a)
Zebras and hyenas
b)
Hyenas and cheetahs
c)
Trees and elephants
d)
Fungi and dung beetles
53.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
54.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
55.
Which of the following has no energy?
a)
A. A wrecking ball
b)
B. A pot of water
c)
C. A moving vehicle
d)
D. None of the above
56.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
57.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
58.
On a roller coaster, where is maximum kinetic energy?
a)
Near the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
59.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
60.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
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