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WorksheetsTCAP 6th Grade Science Mid Term Review
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
Which best explains why cold-water currents flow beneath warm-water currents?
a)
Warm water has more potential energy than cold water.
b)
Cold water contains less pollution than warm water.
c)
Warm water contains more oxygen than cold water.
d)
Cold water is more dense than warm water.
2.
The energy of a bow changes when the string is pulled back.
Which change will occur in the bow after the string is released?
Which change will occur in the bow after the string is released?
a)
Nuclear
potential energy will decrease.
b)
Elastic
potential energy will
decrease.
c)
Gravitational
potential energy will increase.
d)
Chemical
potential energy will increase.
3.
The arrows in the diagram represent air movement.
This air movement is a result of
This air movement is a result of
a)
the waves pushing against the land.
b)
the sun heating the land and water differently.
c)
water evaporating from plant leaves.
d)
particles of pollution entering the air.
4.
A circuit contains a battery, wires, and a buzzer. The diagram represents the energy transformations that occur in the circuit.
Chemical Energy → ? → Sound Energy
Which type of energy is needed to complete the diagram?
Chemical Energy → ? → Sound Energy
Which type of energy is needed to complete the diagram?
a)
gravitational energy
b)
light energy
c)
electrical energy
d)
heat energy
5.
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.
6.
The blades of a wind turbine are moving. The wind that moves the blades is caused by the
a)
density
currents generated in oceans.
b)
atmosphere
being unevenly heated.
c)
formation
of cumulus clouds.
d)
buildup
of greenhouse gases.
7.
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
8.
A new organism has been discovered in an isolated forest area. This new organism is multicellular and receives nutrition from dead trees. How will this organism most likely be classified?
a)
producer
b)
decomposer
c)
scavenger
d)
predator
9.
Which of these is the best example of an assistive technology that helps people overcome a disability?
a)
a computer program that can change text into spoken
words
b)
an oven that contains a fan that moves hot air around
c)
a television with a button that can lower the volume
d)
a telephone that records digital voice messages from callers
10.
At which point on the ramp will the toy car have the greatest kinetic energy?
a)
1
b)
2
c)
3
d)
4
11.
When the switch is in the “off” position, the lamp stays dark. Flipping the switch to the “on” position completes the circuit so that the lamp lights up. How does flipping the switch to the “on” position cause the lamp to light up?
a)
by multiplying the amount of energy, where it produces a
brighter light
b)
by reducing the amount of energy, where it remains in
the battery
c)
by allowing electrical energy to reach the lamp, where
it is transformed into light energy
d)
by allowing chemical energy to reach the lamp, where it
is transformed into electrical energy
12.
What type of object would most likely help energy flow through the circuit?
a)
an object that has a high melting point
b)
an object that is a good conductor of electricity
c)
an object that is more dense than the battery
d)
an object that has more chemical energy than the battery
13.
Lighting a match is best described as a transformation of
a)
mechanical energy into potential energy.
b)
kinetic energy into potential energy.
c)
chemical energy into light and heat energy.
d)
electrical energy into heat and chemical energy.
14.
A solar panel absorbs energy from the sun and transforms some of the energy into electrical energy. Which best explains what happens to the remaining energy?
a)
The remaining energy increases.
b)
The remaining energy is destroyed.
c)
The remaining energy is absorbed into the air.
d)
The remaining energy changes into other forms.
15.
Which animal from this food web receives energy directly from producers?
a)
hawk
b)
snake
c)
mouse
d)
owl
16.
Scientists developed a new antibiotic for patients to use to treat an illness caused by bacteria. Which of these is an unintended consequence of people using more antibiotic than needed to treat the illness?
a)
lower
costs for treating patients
b)
patients
recovering more quickly
c)
fewer
people becoming ill
d)
bacteria
that resist antibiotics
17.
Which best explains the energy transformation that occurs when sunlight strikes a car?
a)
Solar
energy is changed into electrical energy.
b)
Solar
energy is changed into thermal energy.
c)
Solar
energy becomes chemical energy.
d)
Solar
energy becomes mechanical energy.
18.
Leeches usually live in freshwater ecosystems. Leeches feed on the blood of other animals, such as fish. The leeches do not kill the fish, but the fish are weakened by the leeches. Which best describes the relationship between leeches and fish?
a)
predator-prey
b)
consumer-scavenger
c)
producer-decomposer
d)
parasite-host
19.
When a student pressed the button on a battery-powered flashlight, the light bulb began to glow. The first step in this energy transformation is mechanical. What are the next steps in this energy transformation?
a)
electrical
to light to chemical
b)
chemical
to electrical to
light
c)
chemical
to light to
electrical
d)
electrical
to chemical to light
20.
In addition to rain, which other factor most helps plants grow all year in a tropical rain forest?
a)
low humidity
b)
warm temperatures
c)
cloudy summers
d)
windy conditions
21.
Which condition will most likely lead to the formation of winds on Earth?
a)
the shifting of tectonic plates
b)
geothermal activity
c)
the rotation of Earth on its axis
d)
uneven heating of Earth's surface
22.
A glass company claims to have created a new type of window glass that reduces the amount of light and thermal energy allowed into a room. Which is the most likely way for the company to test this new window glass?
a)
Determine the density of the new glass and compare it to
other types of glass.
b)
Compare the indoor temperature of rooms with the new
glass to rooms with other types of glass.
c)
Determine which type of glass is less expensive to
manufacture.
d)
Compare the materials used to produce the new glass to
the materials of other types of glass.
23.
A coniferous forest biome has long, cold, snowy winters. It contains pine and spruce trees, elk, moose, and gray wolves. Which factor is an abiotic element in this biome?
a)
moose
b)
snow
c)
gray wolves
d)
spruce trees
24.
A student uses a wire to conduct electricity from a battery to a light bulb. The wire is covered by a material that does not conduct electricity outside of this path. The picture shows this wire. Which materials are most likely used in this wire?
a)
1 – steel, 2 – aluminum
b)
1 – copper, 2 – plastic
c)
1
– wood, 2 – rubber
d)
1 – iron, 2 – silver
25.
Which set of abiotic factors is typical in rain forest biomes?
a)
warm temperatures and large amounts of precipitation
b)
hot temperatures and very little precipitation
c)
cool temperatures and low amounts of precipitation
d)
extremely cold temperatures and freezing precipitation
26.
Wind causes the blades of a windmill to turn. The energy in the wind that causes the blades of a windmill to turn is produced by the
a)
clouds
b)
oceans
c)
rain
d)
sun
27.
The drawing shows a student pressing down on a spring and then letting go.
What happened to the energy that the student used to push the spring down?
What happened to the energy that the student used to push the spring down?
a)
The spring absorbed a different kind of energy.
b)
The spring returned the energy to the student.
c)
The spring modified some of the energy into matter.
d)
The spring changed the energy into a different kind of
energy.
28.
The diagram shows the location of the Humboldt Current.
Which of these best describes the Humboldt Current?
Which of these best describes the Humboldt Current?
a)
a cold current that carries cold water from the pole northward to the tropics
b)
a cold current that carries
cold water from the tropics southward to the
pole
c)
a warm current that carries
warm water from the pole northward to the tropics
d)
a
warm current that carries warm water from the tropics southward to the pole
29.
While running, the battery-operated toothbrush transforms electrical energy into
a)
light and heat energy
b)
sound and mechanical energy
c)
nuclear and solar energy
d)
chemical and potential energy
30.
Which two organisms from this food web are both classified as consumers?
a)
tree and bird
b)
insect and fox
c)
rabbit and grass
d)
grass and tree
31.
phytoplankton→krill→small fish→large fish
What is the role of krill in this food chain?
What is the role of krill in this food chain?
a)
scavenger
b)
producer
c)
consumer
d)
decomposer
32.
As the tire swings back and forth, a relationship occurs between which two types of energy?
a)
heat and electromagnetic
b)
mechanical and nuclear
c)
potential and kinetic
d)
physical and chemical
33.
A student placed 10 earthworms in the middle of a tray of soil under a heat lamp. The student added a small amount of water to the soil on the right side of the tray. The picture shows the locations of the earthworms after 20 minutes.
Based on this investigation, which conclusion can best be reached?
Based on this investigation, which conclusion can best be reached?
a)
Earthworms prefer moist soil to dry soil.
b)
Earthworms prefer deep soil to shallow soil.
c)
Earthworms prefer warm temperatures to cool temperatures.
d)
Earthworms prefer bright environments to dark environments.
34.
Which factor is a biotic element of an Arctic tundra?
a)
strong wind
b)
cold temperature
c)
frozen soil
d)
snowy owl
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