Science Review4th Grade
What do we call each stage of the water cycle?
Water travels in a never-ending cycle of precipitation, accumulation, evaporation, and
condensation.
Answer
The steam coming from this cup is __.
a)water vapor b)smokec)Precipitationd)condensation
The steam coming from this cup is __.
a)water vapor b)smokec)Precipitationd)condensationWe cannot see
water vapor. It is invisible!
Answer
What is evaporation?
The sun heats the water and causes it to change to water vapor, which then rises into the air.
Answer
What do we call
high wispy clouds?
What do we call high wispy
clouds?
Cirrus Clouds
Answer
Name 3 different places that water accumulates.
Run-off takes water to lakes,
rivers, and oceans. Water is also stored underground,
called groundwater.
Answer
A. Harsh storms followed by cooler temperaturesB. Gentle rain followed by cooler temperatures.C. Gentle rain followed by warmer temperatures.D. Harsh storms but no change in temperature.
What will the weather be in the near future? Why?
A. Harsh storms followed by cooler temperaturesB. Gentle rain followed by cooler temperatures.
C. Gentle rain followed by warmer temperatures.D. Harsh storms but no change in temperature.
What will the weather be in the near future? Why?Answer
Clouds are made mostly of ___.
a)water vapor b)water droplets and dustc)salt from the oceand)fog
Clouds are made mostly of ___.
a)water vapor
b)water droplets and dustc)salt from the oceand)fog
Answer
What is this instrument and what
does it do?
A thermometer
measures temperature.
Answer
Answer
What type of cloud is usually associated with fair weather?
Cumulus clouds are often called fair weather
clouds. These are the white, puffy clouds that
we might use to find shapes or pictures.
Answer
Explain how condensation forms clouds.
When warm air rises, and then cools, the water vapor in the air changes into tiny water droplets. The droplets come
together around dust particles to make clouds.
Answer
What does the blue “H” mean, and
what type of weather is associated
with it?
The H means high pressure.
The weather associated with high
pressure is cool and dry.
Answer
Water vapor condenses when the air gets ____.
a) warmer b) cooler
Water vapor condenses when the air gets ____.
a) warmer b) cooler
Answer
What do we call a cloud that is close
to the ground?
A cloud close to the ground is called fog.
Answer
If cumulonimbus clouds are in the sky, what kind of weather should we expect?
If cumulonimbus clouds are in the sky, we should expect rain
or thunderstorms.
Answer
Name 3 different types of precipitation.
Precipitation will fall as rain, snow, sleet, or hail, depending on the temperature.
Answer
What type of clouds cover the sky like a
blanket, making it gray and overcast?
Stratus clouds cover the sky like a blanket,
making it gray and overcast.
Answer
What part of the water cycle is demonstrated in this picture?
Liquid turning into a gas is evaporation.
Answer
At what temperature does water boil?
Water boils at 212o
Fahrenheit. Answer
What is this instrument and what
does it do?
A wind vane shows the
direction of the wind.
Answer
What do we call
puffy, white clouds that are
associated with fair weather?
Puffy, white clouds that
are associated with fair
weather are called cumulus
clouds.
Answer
What does this symbol mean?
A red line with red half circles shows a warm
front.
The direction of the half circles show the direction
that the front is moving.
Answer
What type of front is this? How do you
know?
A. Warm front because the warm air is on topB. Stationary front because no mass is moving.C. Cold front because it has been cold for weeks.D. Cold front because the cold air mass is moving
into the area, pushing up the warmer air.
5. What type of front is this? How do you know?
A. Warm front because the warm air is on topB. Stationary front because no mass is moving.C. Cold front because it has been cold for weeks.D. Cold front because the cold air mass is moving
into the area, pushing up the warmer air.
Answer
1. What type of front does this symbol represent?
A. Cold Front coming from the northeast
B. Warm Front coming from the northeast
C. Cold Front moving toward the northeast
D. Warm Front moving toward the northeast
1. What type of front does this symbol represent?
A. Cold Front coming from the northeast
B. Warm Front coming from the northeast
C. Cold Front moving toward the northeast
D. Warm Front moving toward the northeast
Answer
A. a cold air mass rushed under a warm air mass forcing the warm air to rise
B. a moist, warm air mass slid up and over a cold air mass.C. warm and cold air met and neither air mass had the force to
move the other.
This front formed when___.
A. a cold air mass rushed under a warm air mass forcing the warm air to rise
B. a moist, warm air mass slid up and over a cold air mass.C. warm and cold air met and neither air mass had the force to
move the other.
This front formed when___.Answer
What tool is used to measure temperature?
A thermometer is used to measure
temperature.
Answer
What type of precipitation appears in the oval? Explain why.
Snow forms when water vapor freezes, and stays frozen as it falls to Earth.
Answer
What is the purpose of an anemometer?
An anemometer
measures wind speed.
Answer
At what temperature does water freeze?
Water freezes at 32o
Fahrenheit. Answer
What is the purpose of a barometer?
A barometer measures air
pressure. The air pressure helps
predict the weather.
Answer
What tool is used to
measure precipitation?How does it
work?
A rain gauge measures the
amount of precipitation.
Measurements on the container show
the number of inches or
centimeters of rain.
Answer
What type of precipitation appears in the circle? Explain why.
Sleet forms when snow passes through warm air, melts, and then refreezes.
Answer
Ecosystem Review4th Grade
If a lion is hunting a badger, the lion is the
__________________ and the badger is the _____________.
If a lion is hunting a badger, the lion is the
__________________ and the badger is the _____________.
If a lion is hunting a badger, the lion is
the predator and the badger is the prey.
Answer
What is the role of a producer in a food web?
The role of a producer in a food web is to produce
energy from the sun.Answer
What do we call overlapping food chains?
Overlapping food chains are called food webs. Webs show how animals rely on other living
things, and show the competition for food.
Answer
What is the role of a decomposer
in a food web?
In a food web, the role of a decomposer is to
break down dead plants and animals.
Answer
What do all first-level consumers eat?
First-level consumers
eat plants, or producers.
Answer
Name 2 organisms in this web that are prey to other animals.
The rabbit and the deer are both prey to the mountain lion. The rabbit, mouse, frog, and snake are prey to the hawk.
Answer
What do the arrows in a food web represent?
The arrows in a food web show the transfer of energy from one
organism to another.
Answer
What might happen in this ecosystem if the hawks moved away?
If the hawks moved away, there might be an over-population of frogs.
Answer
What is an omnivore?
An omnivore eats both plants and animals.
Answer
Name an organism in this food web that is both predator and prey.
In this food web, the snake is both
predator and prey. The snake is predator to the mouse and prey
to the hawk.
In this food web, the frog is also both predator and prey. The frog is predator to
the cricket and prey to the hawk.
Answer
What is the term used to describe each living
organism’s specific role in the habitat?
Each living organism’s specific role in the
habitat is called a niche.
Answer
What do we call a group of the same kind of plant
or animal living in the same ecosystem?
A group of the same kind of plant or animal living in the same ecosystem is called a
population.
Answer
What do we call the living organisms in an
ecosystem?
The living organisms in an ecosystem are called biotic. Bio- means life.
Answer
What type of consumer eats only plants?
Herbivores are consumers that
eat only plants.Answer
Where do producers get their energy?
Producers get their
energy from the sun.
Answer
What is a community?
A community is all the different populations of plants and animals in an
ecosystem.
Answer
Name 3 abiotic, or non-living, parts of an
ecosystem.
The abiotic, or non-living, parts of an ecosystem include sunlight, soil, wind, water,
and rocks.
Answer
What type of consumer eats only other animals?
Carnivores are consumers that
only eat other animals.Answer
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