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WorksheetsBenchmark Review
Total questions: 107
Worksheet time: 1hrs 8mins
What breaks down dead organisms and their waste?
Decomposers
dirt
wind
Miguel
Mercury,Saturn
Jupiter, Uranus, Neptune
Jupiter, Neptune,
Mercury,Saturn,
Uranus
Mars,Jupiter,
Saturn,Uranus
Neptune
Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usually covered with plastic to keep them from starting a fire. Why does the plastic keep the electricity from starting a fire?
Plastic is a good insulator.
Plastic is softer than wire.
Plastic can melt when heated.
Plastic conducts electricity.
A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container.
Container 1: The substance takes the shape of the container and is clear. Small particles float on top of the substance.
Container 2: The substance is hard and cube-shaped. The surface of the substance is shiny.
Container 3: The substance is not visible, and the container appears empty.
Container 4: The substance is cold and made of crystals.
Based on these observations, which container most likely holds only gas?
Container 1
Container 2
Container 3
Container 4
Which of these is the best conductor of electricity?
Glass rod
Cotton string
Plastic tubing
Copper penny
A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating?
Solubility
Density
Conductivity
Mass
A student measures the temperature of water being heated on a hot plate. The student observes that the temperature of the water is 53°C. How many more degrees Celsius must the temperature rise before it reaches the boiling temperature of water?
159°C
69°C
20°C
47°C
A student observed liquid wax dripping down the side of a burning candle. After putting out the candle's flame, the student left the room. Several hours later the student observed that there was no longer any liquid on the side of the candle. Which statement explains what most likely happened to the liquid wax?
The heat given off by the flame caused the candel wax to evaporate.
The liquid wax changed back into a solid as it cooled.
The liquid wax condensed and was absorbed by the candle.
None of the above
Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in the tea solution?
The taste of the sugar
The size of the sugar crystals
The color of the sugar
The texture of the sugar
Which of these is not soluble in water?
Oil
Salt
Honey
Sugar
Objects that blow into a swimming pool or that are dropped into the pool by swimmers need to be removed. These objects include foam cups, keys, and coins. Which of the following explains a useful method for removing some of these objects?
The keys and coins are less dense than water, so they can be easily picked up off the bottom of the pool by divers.
The foam cups have the same density as water, so they can be crumpled up for removal by the pool filter.
The foam cups are less dense than water, so they can be removed from the surface with a pool cleaning net.
The keys and coins have the same density as water, so they can be washed away when the pool is drained.
Cracks in the seafloor called hydro-thermal vents send streams of hot water into the ocean. The water from a vent is 387°C. How many degrees above the boiling point of water is this temperature?
175°C
287°C
387°C
487°C
A teacher wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are the protective gloves necessary?
The metal pan creates thermal energy.
The metal pan insulates thermal energy.
The metal pan conducts thermal energy.
The metal pan reduces thermal energy.
A student adds 10 grams of four different powdered solids into four different beakers. The student then adds 100mL of water to each beaker, stirs the mixtures, and allows them to sit for half an hour before recording observations. Which question is the student most likely trying to answer with this investigation?
At what water temperature do the substances dissolve?
How much water is needed to cause a substance to change state?
What causes a substance to sink when put in water?
Which substances dissolve in water?
A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in a open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?
The container was empty after the mixture evaporated into the air.
The paint evaporated, leaving only clear water in the container.
The water evaporated, leaving only a dry blue solid in the container.
The liquid paint mixture was lighter in color after some water evaporated.
A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should each student do to most easily separate the pepper from the salt?
Use a pair of tweezers to remove each grain of pepper.
Run a small magnet through the mixture to attract the pepper.
Put the mixture in water and filter the pepper out of the water.
Use a strainer with a fine wire screen to remove the pepper.
When a powdered drink mix was added to water, the liquid turned orange. A student decided the taste was too strong, so he poured out half of the liquid and added more water. Which of the following most likely occurred when more water was added?
The physical state changed.
The orange color became lighter
The liquid had a sweeter taste.
None of the above
A student uses a set of headphones to listen to music. Which type of these objects uses the same source of energy as the headphones?
A flute using wind energy
A piano using mechanical energy
A keyboard using electrical energy
A teapot using thermal energy
When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds' echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using -
thermal energy and light energy
sound energy and thermal energy
mechanical energy and sound energy
light energy and mechanical energy
Students were tasked with making a model of how natural forces can change the surface
features of Earth. They make a pile of sand in front of an electric fan and turn it on. This model best represents which of the following changes to the surface of Earth?
The formation of a delta at the mouth of a river.
The building of a mountain on the edge of a continent.
The movement of dunes caused by the blowing wind.
The creation of a canyon by flowing water.
Over many years, the depth of a lake gets more shallow. What could cause this change?
The climate in the area gets warmer.
Sediments are deposited in the lake.
The Sun evaporates the water.
A hurricane brings heavy rains.
What is the process called when a glacier deposits rocks in oceans and lakes?
Deposition
Drainage
Pollution
Depotism
What do flood plains, sandbars, and river deltas in common?
They are formed by water erosion.
They have been formed by glacial erosion.
They have been formed by wind erosion.
They have been formed by sandblasting.
What type of erosion formed the Grand Canyon?
Wind
Water
Sandblasting
Glacial
How might a weathered mountain appear different from an unweathered mountain?
The weathered mountain might be taller.
The weathered mountain would appear rounder.
The weathered mountain would be more jagged
Weathered mountain would contain less trees.
Which of these is a constructive change?
Volcano erupting forming new land.
A river cutting out a canyon.
A glacier scraping down the side of a mountain
Ice forming causing a rock to cut in half.
What is it called when weathered rock is carried away?
Weathering
Raining
Erosion
Breaking
What type of change does Erosion cause?
Physical
Chemical
Electrical
Magnetic
What is weathering?
Process of breaking rocks into smaller pieces.
A shift in weather patterns.
Process by which mountains are formed.
Process by which seasons change.
anything that has mass and takes up space
matter
weight
solid
solution
two or more pieces of matter that can be combined, but NOT easily separated
mixture
solution
mass
matter
this form has definite shape and definite volume
gas
liquid
solid
volume
two or more pieces of matter that can be mixed together and easily separated
solution
gas
matter
mixture
something that can be observed, measured, or described when looking at a piece of matter
physical property
chemical property
matter
chemical change
this form has no definite shape and definite volume
solid
liquid
gas
matter
the 3 states of matter are
solid, matter, liquid
solid, liquid, the sun
solid, liquid, gas
solid, gas, matter
this form has no definite shape and no definite volume
solid
liquid
gas
matter
tool used to measure the VOLUME of an object
balance scale
graduated cylinder
test tube
beaker
shape, color, size, texture, and weight are all examples of
physical properties
chemical properties
matter
mixture
tool used to measure the MASS of an object
graduated cylinder
beaker
test tube
balance scale
What method would be best to use to separate iron filings and sand?
use a filter
use a magnet
paper chromatography
pick out the sand
Sara has a mixture of chocolate powder, sand, table salt, and sugar. She adds water. Which of these can be separated from the mixture after she adds the water?
table salt
chocolate powder
sugar
sand
What does ice become when it absorbs enough heat energy?
gas
liquid
steam
matter
When water changes state, from ice to steam, it is a ____________ change in matter
chemical
combustion
physical
solubility
Evidence of a chemical change includes
change in size
change in color
change in shape
change in weight
Steam is known as what state of matter?
solid
liquid
gas
volume
The diagram above shows one container with oil and water and another with oil and a cork. Which diagram below shows what most likely would happen if oil, water, and the cork were all put in the same container?
5 Jars with 92* C water are set up with thermometers. 4 jars are wrapped equally with different material. One jar is kept unwrapped as a control. After 10 minutes the temperature is checked and noted in the above chart. Which property of the material is most likely being tested?
state of matter
Thermal energy insulation
Thermal energy production
ability to conduct electricity
A student reads the label on the salad dressing above. Why would the students shake the salad dressing well before using it?
Vinegar and oil have different densities
Vinegar and oil easily form a solution
Vinegar and oil both contain water
Vinegar and oil are both liquids
What is the difference in grams between the total mass of the liquid substances and the total mass of the solid substances in the above chart?
298
130
168
428
A student classifies the above objects shown based on their physical properties. Which property cannot be used to classify these objects into more than one group?
Magnatism
Mass
Electrical Conductivity
Solubility in water
A student has puts 4 objects in a bucket filled with water. The objects are listed above. Which two objects are most likely less dense than water?
Wood block and metal paper clip
plastic ball and glass marble
metal paper clip and glass marble
wood block and plastic ball
A student compared the mass of 4 blocks of the same size but different material. He used a balance to compare the masses of two blocks at a time. He repeated this process 3 times with different pair of blocks and recorded observations. Which list shows the blocks in order from least to greatest?
Blocks in N, M, L, P
Blocks in P, M, L, N
Blocks in N, L, M, P
Blocks in P, L, M, N.
A student is asked to design a sleeve for a cup that will insulate thermal energy and not feel hot to the touch when the cup is filled with liquid. The students has 4 materials to choose from. Which of these materials is least useful as an insulator?
cardboard
aluminum
rubber
plastic
A teacher dropped a bolt into a container of maple syrup and asked the students to remove it without touching the maple syrup. At first they used a strong magnet but the bolt would not move. They finally poured the maple syrup into another container to get the bolt out. Which of these best describes some of the bolt's properties?
The bolt is magnetic and has the same density as the syrup
The bolt is nonmagnetic and more dense than the maple syrup
The bolt is nonmagnetic and less dense than the syrup
The bolt is magnetic and less dense than the maple syrup
2. Holly has a cube of sugar. She crushes it into powder. What has changed about the sugar?
The mass
The weight
The shape
The shape and the mass
4. Which mixture could you BEST separate with a filter?
a. Salt and pepper
b. Rocks and wood shavings
c. Sugar and iron filings
d. Sand and water
9. When a solid changes to a liquid, it is called the ______________________________ point.
Melting
Freezing
Boiling
10. When a liquid changes to a solid, it is called the ______________________________ point.
Melting
Freezing
Boiling
11. When a liquid changes to a gas, it is called the ______________________________ point.
Melting
Freezing
Boiling
12. A clay snake is made from a ball of clay:
Physical Change
Chemical Change
13. A wooden log burning in a fire:
Physical Change
Chemical Change
14. Melting butter for popcorn:
Physical Change
Chemical Change
15. Creating a solution of lemon juice, sugar, and water:
Physical Change
Chemical Change
16. Spoiled milk:
Physical Change
Chemical Change
17. A chemical change is easier to reverse than a physical change.
True
False
19. A fruit salad is an example of
Mixture
Solution
20. Two students are making S’mores. Student 1 says that making S’mores is a physical change because the graham crackers, marshmallow, and chocolate are simply a mixture. Student 2 says that making S’mores is a chemical change because the marshmallow begins to burn when you place it in the fire and becomes dark and crispy on the outside. Who is correct and why?
a. Student 1 is correct.
b. Student 2 is correct.
c. Both students are correct because making S’mores is a physical change when you put the substances together, but a chemical change also occurs when the marshmallow burns.
d. Student 2 is correct because once the crackers, marshmallow, and chocolate are placed together, the mixture cannot be reversed again.
This tool helps to measure very small amounts of liquid for exact measurements.
magnifying glass
dropper
bucket
What is this science tool?
jar
beaker
thermometer
ruler
What are variables?
an educated guess
things you notice around you
things you change during an experiment
What is the name of this tool and what is it used for?
clock, to measure mass
stopwatch, to measure distance
clock, to measure volume
stopwatch, to measure time
What most likely happened to the dead plants and animals?
They were eaten by scavengers.
They were washed away by water.
They became fossil fuels.
They became an underground aquifer.
Which statement correctly describes the transfer of energy in a food chain in this wetland?
Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.
Energy is transferred from marsh grasses to crickets to hawks to frogs.
Energy is transferred from grasshoppers to crickets to frogs to hawks.
Energy is transferred from cattails to crickets to shrews to hawks.
When light bounces off an object
absorbs
refracts
reflects
when light bends as it travels from one medium to another
Absorbs
Echos
Reflects
Refracts
a medium that allows SOME light to pass through
transparent
translucent
opaque
gas
Which object would a magnet attract?
a glass bottle
a piece of paper
a steel paper clip
a rubber eraser
