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WorksheetsScience Practice 2
Total questions: 72
Worksheet time: 36mins
Name
Class
Date
1.
Four wheelbarrows with different masses are sitting in a yard. Which wheelbarrow would require the MOST force to make it start moving?
a)
the wheelbarrow with a mass of 45 kg
b)
the wheelbarrow with a mass of 35 kg
c)
the wheelbarrow with a mass of 20 kg
d)
the wheelbarrow with a mass of 15 kg
2.
In which way are precipitation and runoff similar?
a)
Both are forms of liquid water in the atmosphere.
b)
Both are forms of water vapor in the atmosphere.
c)
Both are forms of water that flow over Earth´s surface.
d)
Both are forms of water that move through the water cycle.
3.
A thin sheet of iron is broken into pieces. How would the original, unbroken sheet of iron and one of the broken pieces of iron MOST LIKELY be the same?
a)
They would be the same size.
b)
They would be the same weight.
c)
They both would attract a magnet.
d)
They both would take up the same amount of space.
4.
Which lists only objects that conduct heat well?
a)
aluminum can, rubber toy, wood log
b)
plastic ruler, glass jar, stainless steel spoon
c)
stainless steel spoon, copper ring aluminum can
d)
copper ring, aluminum can, rubber toy
5.
Emma warms her hands by holding a mug of warm milk. How is heat transferred to her hands?
a)
by condensation
b)
by radiation
c)
by convection
d)
by conduction
6.
Which is an example of heat moving out of matter?
a)
Snow melts and turns into slushy water.
b)
Ice cream melts in a dish in the sun.
c)
Liquid water changes to water vapor.
d)
Liquid water changes to solid ice.
7.
Which tool is used to measure wind speed?
a)
thermometer
b)
wind vane
c)
barometer
d)
anemometer
8.
Which BEST describes La Nina?
a)
warm ocean current that flows across the Atlantic Ocean
b)
cold current in the atmosphere that flows across the United States
c)
unusual warming of surface water in the eastern Pacific Ocean
d)
unusual cooling of surface water in the eastern Pacific Ocean
9.
In which way are an amoeba and an ant similar?
a)
Both have a way to take in nutrients.
b)
Neither can make more of its own kind.
c)
Both are made up of only one cell.
d)
Both are made up of more than one cell.
10.
Which BEST describes what the nervous system controls?
a)
muscular system
b)
muscular and skeletal systems
c)
muscular, skeletal, and circulatory
d)
all the systems of the body
11.
Molds are a group of single-celled fungi. Which BEST describes how molds remove wastes?
a)
by using tubes to carry them
b)
by using sunlight to destroy them
c)
by moving them directly to the surroundings
d)
by using
12.
Which food chain shows the flow of energy from a producer to a consumer to another consumer?
a)
shrub →caterpillar→crow
b)
caterpillar→shrub→caterpillar
c)
hawk→shrub→caterpillar
d)
crow→caterpillar→shrub
13.
Which nonliving part of both a salt marsh and a forest ecosystem?
a)
tree
b)
bird
c)
grass
d)
water
14.
Rabbits eat field grans. Great horned owls eat rabbits. Bacteria break down all these organisms when they die. Which will MOST LIKELY cause a decrease in the number of great horned owls?
a)
an increase in the number of field grain plants
b)
a decrease in the number of rabbits
c)
a decrease in the number of bacteria
d)
an increase in the number of rabbits
15.
Which ecosystem is MOST LIKELY a home to frogs, small fish, and beavers?
a)
pond
b)
grassland
c)
deep ocean
d)
shallow ocean
16.
Which BEST explains why a girl can speak French but her mother cannot?
a)
The girl learned this behavior during her life, and her mother did not.
b)
The girl inherited this behavior from her father.
c)
The girl inherited this behavior from her grandparents.
d)
The girl learned this behavior before she was born.
17.
A dog knows how to open the drawer in which its treats are stored. Which kind of characteristic is the dog showing?
a)
inherited behavior
b)
learned behavior
c)
acquired physical trait
d)
inherited physical trait
18.
Which object will MOST LIKELY move the farthest during 1 minute?
a)
a train traveling 16 meters per second
b)
a racehorse running 15 meters per second
c)
a bowling ball rolling 7 meters per second
d)
a man swimming 2 meters per second
19.
Which is the BEST example of gravity acting on an object?
a)
A girl skating over ice begins speeding up.
b)
A boy on a stairway starts climbing up two steps at a time.
c)
A toy car at the top of a ramp begins rolling down.
d)
A boy on a skateboard glides by on a level sidewalk.
20.
An object is rolling along the ground. How would decreasing friction MOST LIKELY affect the motion of the object?
a)
It would reduce the object´s speed.
b)
it would reverse the object´s direction.
c)
It would increase the object´s speed.
d)
It would have no effect on the object´s motion.
21.
Tyler makes a snack to share with his hiking club. He mixes a total of 68 ounces of dried fruit and peanuts. Which amounts of dried fruit and peanuts did he MOST LIKELY use?
a)
6 ounces of dried fruit and 8 ounces of peanuts
b)
40 ounces of dried fruit and 28 ounces of peanuts
c)
60 ounces of dried fruit and 80 ounces of peanuts
d)
80 ounces of dried fruit and 6 ounces of peanuts
22.
Which best describes what happens when solid gold is heated and becomes liquid gold?
a)
Substances get mixed together.
b)
A new substance forms.
c)
A substance changes state.
d)
A substance dissolves.
23.
If a cube of frozen fruit juice is placed in a warm frying pan, which will MOST LIKELY happen?
a)
Heat will move from the cube to the pan.
b)
Heat will move from the pan to the cube.
c)
Heat will not move between the cube and the pan.
d)
Heat will move both ways between the cube and the pan.
24.
One bowl of water sits in a sunny spot outdoors, and a similar bowl of water sits in a shady spot nearby. Which is a type of heat transfer that makes the water in the sunny spot evaporate faster?
a)
radiation
b)
convection
c)
friction
d)
conduction
25.
In which way are the Gulf Stream and the jet stream similar?
a)
Both affect local weather in the United States
b)
Both are air currents that flow in a certain direction
c)
Both bring cry weather to the United States
d)
Both are ocean currents that flow in a certain direction
26.
On a sunny day, a student observes that the air pressure is falling. Which can the student predict is MOST LIKELY on the way?
a)
stormy weather
b)
rising temperatures
c)
fair weather
d)
more sunshine
27.
Where will the next hurricane to affect the east coast of the United States MOST LIKELY form?
a)
over the middle of the United States
b)
over the Atlantic Ocean
c)
over Canada
d)
over the Pacific Ocean
28.
La Paz, Bolivia, is in the Southern Hemisphere. Which BEST describes how its season compares to that of Charlotte, North Carolina.
a)
La Paz has a summer when Charlotte has a winter
b)
La Paz has a summer when Charlotte has a summer
c)
La Paz has a summer when Charlotte has a spring
d)
La Paz has a summer when Charlotte has a fall
29.
A boy hears the starting whistle at the beginning of a race. Which system in his body makes sense of the noise that tells him to run?
a)
nervous
b)
muscular
c)
skeletal
d)
respiratory
30.
Which is a function of one part of the digestive system?
a)
removing wastes from cells
b)
moving blood to capillaries
c)
carrying food to the stomach
d)
removing carbon dioxide from the body
31.
Which kind of cell can survive on its own as an organism?
a)
muscle
b)
red blood
c)
bone
d)
amoeba
32.
A fungus on a fallen log gets energy by breaking down dead wood. Which BEST describes the fungus?
a)
consumer
b)
carnivore
c)
decomposer
d)
producer
33.
Which organism lives in the shallow part of the ocean, near the shore?
a)
whale
b)
crab
c)
tube worm
d)
octopus
34.
In a forest ecosystem, acorns from an oak tree are an important food source for squirrels. Which BEST describes why one of these living things depends on the other for energy?
a)
The squirrel must take in sunlight to get energy to make its own food.
b)
The oak tree must take in sunlight to get energy to make its own food.
c)
The squirrel must eat part of the oak tree to get energy because the squirrel cannot make its own food.
d)
The oak tree must take in the squirrel´s waste to get energy because the oak tree cannot make its own food.
35.
Which trait would a tomato plant NOT pass on to its offspring?
a)
the ability to produce more tomato plants
b)
roots that grow toward water
c)
fruit that is red
d)
a leaf burned by lightning
36.
The leaves of a maple tree have the same shape as the leaves of the tree´s offspring. Which best explains why the leaves of the maples tree have this shape?
a)
The maple tree inherited the leaf shape from its offspring
b)
The maple tree learned how to make the leaf shape during its life
c)
The maple tree and its offspring inherited the leaf shape
d)
The maple tree and its offspring did not inherit the leaf shape
37.
It takes less force to lift Liz´s model of the solar system from the floor to the table than it takes to lift Maria´s model the same distance. Which is the BEST explanation for this difference?
a)
Maria´s model moves a greater distance than Liz´s model.
b)
Maria´s model has a greater mass than Liz´s model.
c)
Liz´s model has a greater mass than Maria´s model.
d)
Liz´s model is taller than Maria´s model
38.
A student is observing the motion of an ant. Which pair of tools should the student use to find the ant´s speed?
a)
scale and meterstick
b)
clock and meterstick
c)
clock and scale
d)
meterstick and graduated cylinder
39.
A batter hits a softball with a certain force. The next batter hits the softball with a greater force. Which describes what MOST LIKELY happens?
a)
The ball moves faster and farther when the first batter hits it
b)
The ball moves faster and farther when the second batter hits it.
c)
The ball moves slower but farther when the first batter hits it
d)
The ball moves faster but not as far when the second batter hits it.
40.
In the water cycle, which change does energy from the sun cause directly?
a)
heating water inside the EArth
b)
forming clouds of water droplets
c)
moving water downhill
d)
evaporating water from a pond.
41.
Which two properties do glass marble and a rubber ball have in common?
a)
Both have a round shape and attract a magnet
b)
Both have a solid state and are good conductors
c)
Neither is a good conductor nor attracts a magnet
d)
Neither has a round shape nor dissolves in water
42.
Students use a spring scale when comparing the properties of a mixture and its parts. Which property is MOST LIKELY being compared?
a)
mass
b)
weight
c)
temperature
d)
shape
43.
A small beaker of oil at 36°C is placed inside a large beaker of water at 24°C. Which will MOST LIKELY happen?
a)
Neither liquid will change temperature
b)
The water will get colder
c)
The oil will get warmer
d)
The water will get warmer
44.
Why is wood a better material to use for the handle of a cooking pot than iron of copper?
a)
Heat moves more easily through copper than through wood
b)
Copper stays cooler than wood
c)
Heat moves more easily through wood than through copper
d)
Wood has a smoother texture than copper
45.
Which BEST describes conduction?
a)
the transfer of heat from something cooler to something warmer
b)
the transfer of heat between things that are touching
c)
the transfer of heat by the movement of liquids or gases
d)
the transfer of heat by electromagnetic waves
46.
A local weather report states that a stationary front has formed over the area. Which weather conditions will MOST LIKELY occur in the area over the next few days
a)
fair weather
b)
clouds and rain
c)
sunshine and wind
d)
high temperatures
47.
Which weather condition does a borometer measure?
a)
precipitation
b)
wind directions
c)
air pressure
d)
temperature
48.
Which season will MOST LIKELY bring snow to parts of North Carolina´s Blue Ridge Mountains?
a)
fall
b)
summer
c)
spring
d)
winter
49.
Which is an example of multicellular organism?
a)
paramecium
b)
poodle
c)
bacterium
d)
amoeba
50.
Which body system breaks down food?
a)
respiratory system
b)
digestive system
c)
skeletal system
d)
muscular system
51.
A dowitcher is a bird that hunts for insects and snails in an estuary. Which BEST describes this bird?
a)
consumer
b)
decomposer
c)
producer
d)
herbivore
52.
Which BEST compares forests and grasslands?
a)
Most grasslands get less rainfall than forests
b)
Most forests are flatter than grasslands
c)
Both forests and grasslands have many trees
d)
Both forests and grasslands are home to prairie dogs
53.
A shark has the inherited trait of hunting seals for food. Which BEST explains where the shark´s trait came from?
a)
It was developed by the shark itself
b)
It was learned from the seal
c)
It was learned from the shark´s mother
d)
IT was received from the shark´s parents
54.
A kitten and its parents all have gray-and-white striped fur. Which BEST explains why?
a)
The parents taught their kitten how to get gray-and-white striped fur.
b)
The kitten and its parents got their fur color from the environment
c)
The kitten inherited its fur color from its parents
d)
parents inherited their fur color from their kitten
55.
If a horse runs 120 meters in 10 seconds, what is the speed of the horse?
a)
10 meters per second
b)
12 meters per second
c)
120 meters per second
d)
1200 meters per second
56.
A scientist is summarizing data from an investigation on dolphins. Which is the BEST way for her to use a line graph?
a)
to show changes in the distance a dolphin travels over time
b)
to represent a food web in which dolphins are a part
c)
to compare different members of dolphin populations
d)
to describe the ocean ecosystem in which dolphins live
57.
Brandon pulls on a boat´s oars to move the boat in a lake. Which would MOST LIKELY cause the boat to travel a greater distance after the pull?
a)
increasing the friction on the boat
b)
increasing the mass of the boat
c)
increasing the force on the oars
d)
decreasing the force on the oars
58.
Which describes water moving from Earth´s surface to the atmosphere in the water cycle?
a)
River water evaporates when the sun warms it
b)
Runoff flows from the land into the Gulf of MExico
c)
Runoff soaks into the soil and collects as groundwater
d)
Water vapor consdenses and falls to Earth as rain
59.
A bottle full of liquid was placed in a freezer. The next day, the bottle was filled with solid ice. Which BEST describes what happened?
a)
The type of matter in the bottle and the state of matter stayed the same
b)
The type of matter in the bottle and the state of the matter stayed the same
c)
The type of matter in the bottle changed, but the state of the matter stayed the same
d)
The type of matter in the bottle stayed the same, but they state of the matter changed.
60.
Which is an example of a good conductor of heat?
a)
glass
b)
rubber
c)
wood
d)
iron
61.
When a copper cooking pan was put in contact with a steel cooking pan, the temperature of the copper pan started to decrese. Which BEST explains this change?
a)
The copper pan was warmer than the steel pan
b)
The steel pan was warmer than the copper pan
c)
The steel pan was larger than the copper pan
d)
The steel pan was heavier than the copper pan
62.
Where is a thunderstorm MOST LIKELY to occur?
a)
at a cold front in August
b)
at a cold front in December
c)
behind a warm front in August
d)
behind a warm front in December
63.
In which way is a nerve cell in a human different from a bacterial cell?
a)
The nerve cell works alone, and the bacterial cell works in a group
b)
The nerve cell has one specific job, and the bacterial cell has many
c)
The nerve cell contains tiny structures, and the bacterial cell does not
d)
The nerve cell is a unicellular organism, and the bacterial cel is not.
64.
Which are part of the skeletal system?
a)
backbone and skull
b)
large and small intestines
c)
artieries and veins
d)
nose and mouth
65.
Which function do the circulatory and respiratory systems have in common?
a)
carrying messages
b)
moving nutrients
c)
moving oxygen
d)
protexting organs
66.
Bats help spread fig tree pollen. Which will most likely happen if a disease kills almost all of the bats in the forest?
a)
More fig trees will be able to make food
b)
Fewer fig trees will grow figs
c)
Fig trees will produce more pollen
d)
There will be no change in the forest
67.
In which two exosystems must organisms be able to live in water with changing amounts of salt?
a)
ocean and pond
b)
grassland and lake
c)
estuary and salt marsh
d)
pond and lake
68.
A simple food chain begins with grasses and ends with bacteria. The food chain includes grasshoppers, small birds, and foxes. Which organisms in this food chain are decomposers?
a)
foxes
b)
bacteria
c)
grasses and bacteria
d)
foxes and bacteria
69.
Which BEST explains why a boy and his parents can all read a map?
a)
The boy inherited this trait from his parents
b)
The parents inherited this trait from their son
c)
The boy and his parents acquired this trait before they were born
d)
The boy and his parents acquired this trait during their lives
70.
Which explains why a rabbit looks similar to but not exactly like its mother?
a)
The rabbit eats different food than its mother
b)
The rabbit learned different behaviors than its mother
c)
The rabbit inherited traits from its father and mother
d)
The rabbit inherited traits only from its father
71.
Which is an example of an inherited behavior?
a)
A horse can whinny
b)
A dog can jump through a hoop
c)
A man can drive a car
d)
A girl can play checkers
72.
Which trait can a parent peach tree pass to its offspring?
a)
roots that grow toward water
b)
fruit dried up by dry weather
c)
a stem burned by lightning
d)
a branch scarred by cutting
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