Worksheets3rd 9 Weeks Review 6th Grade Science
Total questions: 88
Worksheet time: 46mins
Julian is using the chemical formulas for various substances to classify them as either a compound or an element. Which of the following should he identify as an element?
CO2
CO
C2O6
Co
This picture represents part of the Periodic Table.
“Na” is called the element’s
formula
name
symbol
compound
Rebecca is using the chemical formulas for various substances to classify them as either a compound or an element. How should Rebecca classify Gold (Au)?
Gold is a compound composed of a blend of substances.
Gold is an element composed of a blend of substances.
Gold is a compound composed of a pure substance.
Gold is an element composed of a pure substance.
Which of the following elements is one of the major components of living organisms?
Sulfur
Carbon
Copper
Silicon
Look at the given compound.
Be3Al2 (SiO3 )6
How many different elements are in the compound?
6
8
4
3
This table has two columns of different kinds of matter.
Which of the following is the best label for the second column?
Atoms
Pure substances
Compounds
Mixtures
Density is calculated by dividing the mass of a substance by its -
volume.
weight.
length.
temperature.
The table provided shows the masses and volumes of four liquids.
A student has a mystery liquid with a density of 3 g/mL. Which liquid does the student have?
Liquid 1
Liquid 2
Liquid 3
Liquid 4
Which of the following is the correct calculation for determining the density of an object with a mass of 54 g and a volume of 6 mL?
6 ÷ 54
6 x 54
54 ÷ 6
6 + 54
A rock with a mass of 70 grams is dropped into a graduated cylinder with 30 mL of water in it. The water level rose to 35 mL. Calculate the density of the rock in g/mL.
4
14
10
5
A rock’s density is 5 g/cm3 . Determine the Mass of the rock if it has a volume of 20 cm3
4 g
20 g
50 g
100 g
Determine the density of a sample of an unknown substance with a volume of 5 cm3 and a mass of 20 grams.
10 g/cm3
16 g/cm3
4 g/cm3
20 g/cm3
Which is the best example of an object with only potential energy?
A boat moving through the water.
A boulder resting on top of a cliff.
A ball being thrown across a field.
Water being poured out of a pitcher.
According to the above diagram, at what point would the roller coaster car have the greatest potential energy?
4
6
5
3
Students are investigating changes from potential to kinetic energy by rolling a marble down a ramp made by propping up a plastic ruler on a book and letting it roll down.
Which of the following will change the potential energy the marble starts with?
Switching the plastic ruler with a wooden one.
Adding more books beneath the ruler.
Pushing the marble down the ramp.
Replace the marble with a rock.
A box and forces are shown in the image.
A box rests motionless on the ground. One student is pushing the box to the right with a force of 2 Newtons. The other student is pushing to the left with a force of 5 Newtons. In which direction and with what type of speed will the box move?
It will move left at a constant speed.
It will move left at an increasing speed.
It will move right at a constant speed.
It will move right at an increasing speed.
An object that is at rest will begin to move if which of the following is true?
The surface on which it rests is frictionless.
The mass of the object is sufficient.
Unbalanced forces act on the object.
Gravity on the object can be reduced.
The forces acting on a box are illustrated.
The result of these forces will be that the box will –
move to the right at a constant speed.
accelerate to the right.
move to the left at a constant speed.
accelerate to the left.
Which two measurements are needed in order to calculate the speed of an object in motion?
Distance and time
Time and mass
Force and distance
Volume and time
The simplified graph shows the motion of an object as measured and recorded in consistent units of time and distance.
From the graph, it can be concluded that the object was moving -
in an upward direction.
faster as time went on.
at a constant speed.
for a short amount of time.
Time and distance data for a bicycle is provided in the graph.
According to the data in the graph, what was the average speed of the bicycle?
1 meter/second
4 meters/second
5 meters/second
20 meters/second
It takes five hours to drive from Fort Worth to Midland, which is a distance of 300 miles. What would be the average speed for this trip?
40 mph
80 mph
60 mph
20 mph
Which graph shows the fastest speed?
A graph is provided.
The graph shows the speed of a car traveling east over a 12 second period. Based on the information in the graph, it can be concluded that in the first 6 seconds, the car is –
changing its direction.
experiencing less and less friction.
accelerating at a constant rate.
climbing a steep incline.
Two horses pull in opposite directions, but together move in the direction shown. Which of the following best describes the forces being applied in this situation?
Which of the following best describes the forces being applied in this situation?
The forces are balanced, and the net force is zero.
The forces are unbalanced, and the force of Horse 1 is greater.
The forces are unbalanced, and the force of Horse 2 is greater.
The forces are balanced, and the force of Horse 1 is greater.
What is the average speed of a toy car that travels 240 cm in one minute?
4 centimeters per second
15 centimeters per second
40 centimeters per second
D 240 centimeters per second
Thermal energy always moves from –
large objects to small objects.
dark objects to light objects.
warm objects to cool objects.
smooth objects to rough objects.
The instructions for a lab warned students to avoid putting Na in the liquid used during the experiment. What element should not be placed in the liquid?
nitrogen
phosphorus
sodium
silicon
To explain the difference between elements and compounds, a teacher filled clear boxes with balls. Which box best represents a sample of an element?
The diagram shows a swinging pendulum. Five different positions of the pendulum are labeled. Each position contains different amounts of potential and kinetic energy.
The potential and kinetic energy of the pendulum can be represented on bar graphs. Which graph correctly shows the amount of energy available at position 3?
The ram on a crane uses the force of kinetic energy to push a spike into the ground.
From which position should the ram be released to have the greatest kinetic energy when it hits the spike?
3
2
1
4
Four students were asked to classify the activities of the people in the picture below as examples of either potential or kinetic energy.
Which student correctly classified the activities?
A dog walks away from home at a constant pace for 20 minutes. Next, he stops for a 10-minute nap under a tree. Finally, he walks back home at a constant pace and comes to a stop.
Which graph below best represents the motion of the dog in terms of distance from home over time??
What is the average speed of the car?
2.5 km/min
0.4 km/min
14 km/min
40 km/min
What is a likely explanation of Kara's motion between the second and third hour of her ride?
Kara and her family are racing to see who is the fastest rider.
Kara and her family stop to have lunch.
Kara is giving her younger brother a ride.
Kara is riding slowly to enjoy all the exhibits.
Martin needs to push a box up a ramp.
Which forces will Martin work against most when he pushes the box up the ramp?
inertia and magnetism
friction and gravity
magnetism and friction
gravity and momentum
What type of heat transfer is occurring as the water is heated from touching the glass beaker?
Convection
Conduction
Radiation
Specific
What type of heat transfer is occurring as the water is moving as shown in the diagram?
Convection
Conduction
Radiation
Specific
What type of heat transfer is occurring in the mantle?
Convection
Conduction
Radiation
Specific
During the daytime there is a breeze that comes off the ocean and onto the land. This is caused by the uneven heating of the earth’s surface. This can be seen in the image below.
What type of energy transfer is occurring?
Conduction
Specific
Convection
Radiation
What transfer of heat between the pan and the chicken is responsible for cooking the chicken?
radiation
convection
electrical
conduction
During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?
conduction and convection
radiation and conduction
radiation and electricity
convection and radiation
What type of heat transfer is occurring to cook the marshmallows?
Convection
Conduction
Radiation
Specific
Which of the following models best represents the movement of heat?
The following graphic and data table shows student observations during an investigation of thermal energy. The students placed thermometers at various positions in a large pan of water. The Bunsen burner is turned on, runs for 5 minutes, and then is turned off. Students recorded the temperature of each thermometer throughout the experiment. Which of the following conclusions is most accurate based on analysis of the data provided?
Thermal energy moved predictably from warmer areas to cooler areas until an even temperature was obtained.
Thermal energy moved predictably from cooler areas to warmer areas until an even temperature was obtained.
Thermal energy moved predictably from warmer areas to cooler areas but the movement stopped once the burner was turned off.
Thermal energy moved predictably from cooler areas to warmer areas but the movement stopped once the burner was turned off.
A hot air balloon will lie flat until a heat source is initiated. Once enough heat is produced the balloon begins to inflate. What process is responsible for a hot air balloon’s inflation?
Thermal energy will cause hydrogen in the air to change into helium, which causes the balloon to inflate.
Thermal energy from the heat source will heat the fabric of the balloon, which causes the balloon to inflate.
Thermal energy will move from the surrounding air to the heat source which causes air to sink into the balloon, which causes the balloon to inflate.
Thermal energy will move from the heat source to surrounding cooler air which causes the air to rise until uniform temperature has been reached, which causes the balloon to inflate.
Which of these actions, on their own, will cause ice to change to water?
Removing heat from the ice.
Adding sand to the ice.
Crushing the ice.
Adding heat to the ice.
Which type of energy conversion happens when energy from the Sun is used to warm a house?
electricity to light energy
light energy to thermal energy
chemical energy to electricity
radiant energy to light energy
Which of these types of energy conversions occur in a batterypowered flashlight?
thermal to mechanical
light to electrical
thermal to chemical
chemical to electrical
Which of the following layers is labeled as A?
outer core
crust
inner core
mantle
Which of the following layers is labeled as C?
mantle
outer core
inner core
crust
Which layer of the Earth is made from molten (or Liquid) metals?
mantle
outer core
crust
inner core
In the diagram of the Earth, which of the layers is labeled as D?
outer core
crust
mantle
inner core
Put the layer's of the Earth in order from thinnest to thickest.
Inner Core, Outer Core, Crust, Mantle
Mantle, Crust, Inner Core, Outter Core
Crust, Inner Core, Outer Core, Mantle
Mantle, Outer Core, Inner Core, Crust
Which of the following layers is labeled as B?
mantle
outer core
crust
inner core
Which layer of the Earth includes the crust?
atmosphere
hydrosphere
asthenosphere
lithosphere
To learn about the temperature of the mantle, which is a scientist MOST likely to study?
characteristics of the ocean floor
volcanoes
the fossil record
the movement of tectonic plates
When volcanoes form, magma, or melted rock, rises from underground and produces a bulge. Over time, this bulge grows and increases in pressure until an eruption occurs and magma flows out. Just before an eruption occurs, the magma is found in which layer of the earth?
inner core
outer core
mantle
crust
What are the three types of rocks?
hard, soft, clay-like
igneous, metamorphic, sedimentary
texture, mineral, chemicals
grey, black, layered
The process of weathering would most influence _____ rocks.
thermic
igneous
metamorphic
sedimentary
Rocks that can be found in the area of a volcano and have been cooled from a liquid state should be classified as —
igneous
metamorphic
sedimentary
thermic
Rocks that are located deep within the Earth's crust would be identified as —
layered
metamorphic
sedimentary
thermic
Most of the ocean floor is a type of rock called basalt. At the edge of continents, this basalt erodes and becomes small particles. Over time, the particles are compressed and form what type of rock?
igneous
sedimentary
metamorphic
basinic
What type of rock is this?
igneous
metamorphic
sedimentary
volcanic
Many mountains in the Western United States were formed by volcanic activity. Over time, the movement of water changed the form of some of the rocks originally created when the magma hardened. The changing of the volcanic rock by water is the process of —
sedimentation
metamorphosis
weathering
compaction
In the diagram of the rock cycle, which processes are represented by X, Y, and Z?
heating, melting, and cooling
melting, cooling, and cementing
melting, cooling, and weathering
heating, melting, and weathering
Metamorphic rock is formed through ________ and ________.
fire, cooling
heat, pressure
weathering, erosion
compaction, cementation
In the diagram representing Earth’s tectonic plates, which plate is labeled as D?
Eurasian plate
South American plate
North American plate
African Plate
In the diagram representing Earth’s tectonic plates, which plate is labeled as C?
South American plate
North American plate
African Plate
Eurasian plate
In the diagram representing Earth’s tectonic plates, which plate is labeled as A?
South American plate
African Plate
North American plate
Eurasian plate
In the diagram representing Earth’s tectonic plates, which plate is labeled as B?
North American plate
Eurasian plate
African Plate
South American plate
Which is plate C.
North American plate
Antarctic
Indo-Australian
Eurasian
Which scientist's discovery led to the theory of plate tectonics?
Albert Einstein
Alfred Wegener
Isaac Newton
Edwin Hubble
In which major tectonic plate would you find Moscow, Russia?
African
South American
Eurasian
Indo-Australian
Which tectonic plate is located at the center of the ring of fire?
African
North American
Eurasian
Pacific
Which Tectonic plate is Labeled N.
African Plate
North American Plate
Australian Plate
Antarctic Plate
The tectonic plate labeled C in the diagram is the —
Indo-Australian Plate
Pacific Plate
Eurasian Plate
African Plate
Mid-oceanic ridges form where two plates are separating and new ocean floor is being made.
What type of tectonic boundary is found in this area?
Divergent Boundary
Strike-Slip Boundary
Transform Boundary
Convergent Boundary
Which of the following land features are most closely associated with divergent plate boundaries?
I. Volcanic island
II. Mid ocean ridge
III. Mountains
IV. Ocean basin
IV and V
II, III, and IV
II and IV
I, II, and III
Which image shows divergent boundaries?
B
D
A
C
Which image shows Convergent boundaries?
B
D
A
C
Which images show Transform boundaries?
B
D
A
C
Which force is responsible for the movement of tectonic plates?
gravity
convection currents
electricity
magnetism
What major event is located at a Fault Line?
Tornadoes
Hurricans
An Avalanche
Earthquakes
How are Earthquakes messured?
By Ohm Meters
By Seismic Waves
By Volcanic Eruptions
By Density
In this Convergent Boundary, what type of zone is being created.
Transform Zone
Subduction Zone
End Zone
Reverse Zone
Which of the following are the major plates?
Pacific, Caribbean, African, Eurasian, and North American
North American, South American, Scotia, Caribbean, and Eurasian
Arabian, Eurasian, North American, Nazca, and Pacific
African, Pacific, Eurasian, South American, and North American
Which shows the layers of the Earth labeled in the correct order.
Crust, Inner Core, Outer Core, Mantle, Lithosphere, Asthenosphere.
Asthenosphere, Crust, Inner Core, Outer Core, Mantle, Lithosphere.
Crust, Lithosphere, Asthenosphere, Mantle, Outer Core, Inner Core.
Inner Core, Asthenosphere, Crust, Mantle, Outer Core, Lithosphere.
