WorksheetsQ2 Benchmark Review Sciene
Total questions: 50
Worksheet time: 25mins
Which type of ecosystem has the greatest variation in temperature from its top to its bottom?
lake
pond
ocean
estuary
Which terrestrial ecosystem has warm, humid conditions and a large variety of plants and animals?
estuary
grassland
deciduous forest
tropical rainforest
Which is most likely the greatest challenge to organisms living in estuaries?
the varying levels of salt
the animal diversity that exists
the amount of sunlight received
the changes in water temperature
Which organism would be eaten last in a food chain?
producer
decomposer
first-level consumer
second-level consumer
Which organisms directly use light energy from the sun to obtain food?
carnivores
producers
consumers
decomposers
How is a deer in a forest ecosystem most similar to a rabbit in the same ecosystem?
Both are decomposers.
Both are consumers.
Both are carnivores.
Both are producers.
Which term defines animals that obtain food by hunting other animals?
predators
prey
producers
scavengers
Which will most likely result if large areas of trees in a forest are removed to build neighborhoods?
There would be an increase in the loss of habitats.
There would be an increase in the number of predators.
There would be an increase in food resources for animals.
There would be an increase in the number species of plants.
European starlings are birds that take over the nests of other birds. When they move into an area, starlings reproduce quickly. Taking over the nests of other birds MOST likely increases the number of starlings by helping them to do what?
attract a better mate
compete for resources
migrate during the winter
blend in with the environment
The diagram shows part of a lake food web.
Many tourists and locals have been fishing in the same spot in this lake for a long period of time. How will the organisms in this food web MOST likely be affected if this fishing continues?
The frog population will have fewer dragonflies to eat.
The dragonfly population will have more beetles to eat.
The pelican population will have less herring to eat.
The mayfly population will have less algae to eat.
Madison planted flowers in four pots. The flowers were all two inches tall when she planted them. The soil in the pots was the same. She watered all the flowers the same. The amount of light each plant got was different.
Madison measured the flowers after two months. She wrote the heights of the flowers in a table.
Which flowers got the LEAST amount of light?
Pot 1
Pot 2
Pot 3
Pot 4
Which will most likely increase friction on snow-covered highways?
oil
salt
sand
water
Which is an example of trying to increase friction?
spreading sand onto an icy road
reducing the weight of an object
pouring oil into the engine of a car
waxing the underside of a surfboard
Allen pushes a toy car across three different surfaces. He pushes the car across a wooden floor, a tile floor, and a carpeted floor. He notices it is hardest to push the toy car across the carpeted floor. Which is the MOST likely reason it is hardest to push the car across the carpet?
The car has more mass when it is on the carpeted floor.
The carpet creates more friction than the other surfaces.
The car is affected most by gravity on the carpeted floor.
The carpet pushes more against the car than the other surfaces.
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
When added to a smooth road surface, which would create the greatest amount of friction for a car?
ice
rain
sand
Which of the following would increase the motion of a ball after it is kicked?
a high, grassy surface
a surface sloped uphill
a surface sloped downhill
A group of six people are on a boat. Three people are in the front and three people are in the back. The front of the boat is sinking lower than the back of the boat. Which best explains why the front of the boat is sinking lower?
There are heavier items in the back of the boat than in the front of the boat.
The pressure of the water is greater against the front of the boat.
The people in the front of the boat are closer together.
The people in the front of the boat are heavier.
Moving at 60 mph, it takes a train one hour to travel from Raleigh, N.C. to Fayetteville, N.C. Which best describes the distance between the two cities? (speed = distance ÷ time)
60 miles
100 miles
120 miles
A group of students hiked at a rate of 4 kilometers per hour through the park. The journey took 4 hours. How far did the group travel? (distance = speed × time)
13 kilometers
14 kilometers
15 kilometers
16 kilometers
Megan drops two objects with different masses. She drops them from the same place, and they land at the same time. Which best explains why they land at the same time?
gravity and friction acted the same on each object
the masses are different
velocity increases
momentum increases
Joey is studying motion. Which two measurements would Joey need to determine an object’s speed?
distance and time
direction and time
distance and direction
position and direction
A car travels 25 kilometers in 1/2 hour. If it does not change its speed or direction, how far will the car travel in the next hour?
25 kilometers
50 kilometers
75 kilometers
100 kilometers
A car traveled 420 km in seven hours. How far did the car travel in three hours?
60 km
180 km
1200 km
3000 km
Which tools will be most helpful to a scientist measuring motion?
a scale, a compass, and a stopwatch
a stopwatch, a scale, and a thermometer
a compass, a stopwatch, and a measuring tape
a measuring tape, a stopwatch, and a thermometer
Jane made this graph of the distance her family traveled during a trip.
How far did they travel during the first 2 hours of the trip?
50 km
100 km
200 km
350 km
This graph shows how a delivery truck traveled in one workday.
How far did the truck travel from hour 4 to hour 5 of its delivery schedule?
0 km
50 km
100 km
150 km
A student went on a walk, and kept track of their time and distance. The data is displayed in the graph. Which best describes the student’s walk?
The student went up a hill, and then down a hill.
The student walked very quickly at the beginning of the walk, but then slowed down at the end.
The student walked slowly at the beginning of the walk, and faster at the end.
The student walked at a steady pace, and then returned to the starting point.
The graph below shows the motion of four buses as they complete their route.
Which bus made 3 stops during its route?
Bus W
Bus X
Bus Y
Bus Z
This graph shows how far a runner is at different times during a race.
During what part of the trip did the runner move the fastest?
0 min to 10 min
10 min to 30 min
40 min to 60 min
70 min to 80 min
Students are investigating how forces can affect the motion of an object. The students place a marble in the center of a table. They raise the sides of the table and make the marble roll.
Which sides should the students lift to make the marble roll to the X on the corner of the table?
1 and 3
1 and 2
4 and 3
4 and 2
If a small rock and a large rock are both thrown at a wall at exactly the same speed, which rock would most likely cause more damage to the wall?
The large rock would cause more damage because the force would be spread out on a larger area.
The large rock would cause more damage because it has a greater mass, making the momentum greater.
The small rock would cause more damage because it has a smaller mass, making the momentum greater.
The small rock would cause more damage because all of the force would be concentrated on one small area.
Wagon Q has a larger mass than Wagon T. If the wagons were pushed with the same amount of force across the same surface, which would most likely happen?
Wagon Q would move farther than Wagon T.
Wagon T would move farther than Wagon Q.
Wagon T’s mass would increase as Wagon Q’s mass decreased.
Wagon Q’s mass would increase as Wagon T’s mass decreased.
A soccer player kicks a soccer ball across a field. Which factor has the MOST effect on the distance the soccer ball travels?
the color of the ball
the force of the kick
the length of the field
the temperature of the air
Carla’s sailboat is moving away from the shore. Which will most likely occur if winds begin blowing in the same direction the sailboat is moving?
The sailboat will change direction.
The sailboat will stop moving.
The sailboat will slow down.
The sailboat will speed up.
Julia is following a recipe to make batter for a cake. She uses a scale to weigh each ingredient separately. Julia can BEST use this information to predict the weight of the mixed batter by
adding the weights of each ingredient together.
multiplying the weights of each ingredient together.
dividing the weight of the wet ingredients from the weight of the dry ingredients.
subtracting the weight of the wet ingredients from the weight of the dry ingredients.
A jeweler melts gold to make jewelry. As the gold melts, the mass
increases.
decreases.
is destroyed.
stays the same.
A student flattens a ball of clay he is given and shapes it to resemble a boat. Which best describes the masses of the clay ball and the clay boat?
The mass of the clay ball is more than the mass of the clay boat.
The mass of the clay boat is more than the mass of the clay ball.
The masses of the clay ball and the clay boat are the same.
The clay ball has mass, but the clay boat does not.
Robert fills an 8-lb cooler with 20 lbs of ice. After leaving the cooler in the sun for an hour, how much will the cooler and the melted ice weigh?
12 lbs
20 lbs
28 lbs
A rock weighing 50 g is broken into 2 pieces. What are possible weights for the two pieces of rock?
20 g and 20 g
30 g and 20 g
30 g and 30 g
Luther is observing an ice cube melting in a cup. Which statement best compares the properties of an ice cube and the water that results from the ice cube melting?
The ice cube and water are made of different substances.
The ice cube and water are made of the same substance.
The ice cube and water have the same temperature.
The ice cube and water have the same shape.
Which best describes the change that occurs when heat is added to ice cream?
A chemical change occurs as the ice cream becomes whiter.
A physical change occurs as the ice cream becomes sweeter.
A physical change occurs as the ice cream melts into a liquid.
A chemical change occurs as the ice cream freezes into a liquid.
Ruth left a wax candle in her car for several hours on a warm day. Which describes the change in the candle Ruth most likely observed?
The candle changed its shape.
The mass of the candle wax increased.
The mass of the candle wax decreased.
The candle changed into a new substance.
Brad accidentally left his crayon box in the car on a hot day. Which best explains what happened to his crayons?
crayons melted; changed from solid to liquid
crayons melted; changed from liquid to solid
crayons evaporated; changed from liquid to solid
What changes occur when an ice cube is heated to a temperature above 100°C?
The ice cube will change from a liquid to a solid.
The ice cube will change from a gas to a liquid.
The ice cube will change from a solid to a liquid to a gas.
The ice cube will change from a solid to a liquid and then back to a solid.
Which is a characteristic of bacteria?
large in size
able to survive as a single cell
found only in one particular environment
made up of many different cells working together
Which characteristic best describes both amoebas and bacteria?
abiotic
multi-celled
single-celled
complex organisms
Which statement would most likely be found in an article about multi-celled organisms like plants?
Plants have a simple structure.
Plants contain only one cell that performs all functions.
Plants do not need to eat, remove waste, or reproduce.
Plants contain many specialized cells that perform different functions.
Which is the best way to classify grasshoppers?
Grasshoppers are multi-celled organisms because they are made up of one cell that carries out all of their life processes.
Grasshoppers are single-celled organisms because they are made up of one cell that carries out all of their life processes.
Grasshoppers are single-celled organisms because they are made up of many cells that carry out all of their life processes.
Grasshoppers are multi-celled organisms because they are made up of many cells that carry out all of their life processes.
What is the main purpose of single-celled organisms?
to survive
to reproduce
to produce food for other organisms
to work with other single-celled organisms
