Transcript Science Powerpoint

Science
Benchmark
Review
Which of these is not part of the
water cycle?
A. precipitation
B. condensation
C. freezing
D. evaporation
C
Camille’s mother drinks four cans
of soft drink each day. After
drinking the soft drinks, Camille’s
mother should
A. throw the cans in the trash.
B. send the cans to a landfill.
C. take the cans to be recycled.
D. crush the cans before putting them in
the trash
What is one way people are
helping the environment?
A
A. They are planting trees to
replace the ones that are cut.
B. They are building more roads
so more people can see
natural areas.
C. They are building more dumps
to hold the trash we create.
D. They are using their cars more
to get to places faster.
If the barometer is low and the
anemometer is moving rapidly,
what kind of weather are you
probably having?
A. damp and cloudy with strong
winds
B. clear and dry with strong
winds
C. damp and cloudy with gentle
winds
D. clear and dry with gentle
winds
A
How does a meteorologist begin
to create a weather forecast?
A. by going outside and
observing the local weather
B. by reading forecasts from a
book
C. by measuring temperature,
precipitation, air pressure,
and wind over a large area
D. by checking sea breezes
C
What causes a sea breeze?
A. water heating faster than
land
B. an anemometer spinning
rapidly
C. land heating faster than
water
D. an anemometer spinning
slowly
C
B
Why do you think the land heats
faster than the water during the
day?
A. Warm air rises.
B. Land absorbs the sun’s energy
faster than water.
C. Cold air falls.
D. Water absorbs the sun’s
energy faster than land.
C
What step in the water
cycle moves water from
ponds and lakes into the
air?
A. freezing
B. melting
C. evaporation
D. condensation
If you were building a house
where tornadoes often
developed, which of the
following would you include for
safety?
A. an attic
B. a garage
C. a basement
D. a barn
C
Springfield, Missouri, and San Francisco,
California, are at similar latitudes, but they
have very different climates. Springfield has
very hot summers and cold winters, while
San Francisco has about the same
temperatures all year. What is the most likely
reason the two cities have such different
climates?
A. the amount of sunlight on each city
B. the distance of each city from an
ocean
C. the elevation above sea level of each
city
D. the distance of each city from the
equator
B
Why is pollination important in
the reproduction of seed plants?
A. Bees and other animals like
to eat pollen.
B. Pollen must be moved from
the stamen to the pistil for
fertilization.
C. Pollen is needed to produce
nectar.
D. Pollen has to germinate
before plants can reproduce.
B
D
Most plants make food in their leaves using
the process of photosynthesis. What role do
the stems and roots of most plants play in this
process?
A. Stems store extra sugar, but roots do not
have a role in photosynthesis.
B. Stems hold the plant upright, and roots
store extra sugar.
C. Roots have no role, but stems move sugar
to other plant parts.
D. Stems carry sugar to other plant parts, and
both stems and roots may store extra sugar.
An organism that usually eats meat is
called a carnivore. A wolf is an
example of a carnivore. Which of the
following organisms is most likely to
compete with a wolf for food?
A. fish
B. tree
C. grasshopper
D. snake
All seed plants have roots. Which
of the following does NOT describe
a function of a plant’s root
system?
A.Absorb water and nutrients from
the soil
B.Anchor the plant to the ground
C.Store water and nutrients
D.Change energy from the Sun
into food
D
Just like you need to eat different
types of food, plants need
different types of nutrients. Which
of the following plant parts help a
plant get all the food it needs?
A. flowers and leaves
B. roots and leaves
C. stem and flowers
D. Stem and roots
Flowering plants reproduce by
creating ___________.
A. spores
B. thorns
C. pinecones
D. seeds
Ferns and mosses are different
from flowering plants because
ferns and mosses reproduce
using _______.
A. molds
B. spores
C. runners
D. roots
Alligators live in wetlands and eat
mostly frogs, snakes, fish, turtles,
and small mammals. Which of
these structures does not help
alligators get the food they need?
A. sharp teeth
B. thick skin
C. muscular tails
D. powerful jaws
The energy a producer receives in
a food chain starts with
______________.
A. sunlight
B. consumers
C. producers
D. decomposers
What does the heart do for the body?
A. It takes oxygen in from the
environment.
B. It turns food into energy.
C. It removes waste from the blood.
D. It moves blood through the
body.
D
Which statement correctly shows
the transfer of energy in a food
chain?
A. producers, consumers, sunlight
B. carnivores, herbivores,
producers, sunlight
C. plants, sunlight, omnivores,
herbivores
D. sunlight, producers, herbivores,
carnivores
The saguaro cactus lives in a dry desert.
Which of the following adaptations help
this cactus to store water when it does
rain?
A. its thin, porous skin
B. its sharp thorns
C. its expanding stem
D. its beautiful flowers
D
Which of the following is
an example of an organism
changing the environment to
improve its habitat?
A. a bee gathering nectar
B. a mouse eating corn
C. a tree growing in the forest
D. a beaver building a dam
Which instrument can be used
to measure air pressure?
A. wind vane
B. anemometer
C. barometer
D. thermometer
Which instrument can be used
to measure wind direction?
A. wind vane
B. anemometer
C. barometer
D. thermometer
What would happen if the trees
were cut down?
A. There would be more birds.
B. Many caterpillars would die.
C. More caterpillars would move
into the area.
D. The birds would start eating the
foxes.
If an organism is a vertebrate, lives
on land, and is a mammal, what
kind of animal could it be?
A.Fish
B.Frog
C.Spider
D.dog
What do the arrows do in the food
chain picture show?
A. They point to the animal that tastes
the best.
B. They point in the direction that the
energy is flowing.
C. They always point to the producers.
D. They always point to the smallest
animal.
A wetland was drained to build a mall. Two
years later, there were no more toads in
that
area. Why did the toads disappear?
A. The toads were destroyed by the
construction equipment.
B. The toads died because toads cannot
breathe out of water.
C. The toads were frightened and went into
the woods.
D. The toads got their food from the
wetland ecosystem.
What would happen if there was a drought and the grass
did not get enough water?
The grass would die, which would cause the number of
mice, rabbits, and foxes to go down.
Some plants have structures or features that
protect them from harm. If a plant has bittertasting leaves, what would this most likely
protect the plant against?
A.
B.
C.
D.
People who would pick the plant for its
pretty flowers
Cold weather that would cause the
plant to freeze
Caterpillars that would eat the plant
Hot weather that would cause the leaves
to dry up
Which of the following is a
way that some animals have
adapted to survive in hot
climates?
A. being active at night
B. eating more food
C. moving very slowly
D. growing thick fur
Which part of the water cycle
is labeled B?
A. precipitation
B. condensation
C. runoff
D. evaporation
Which part of the water cycle is
labeled C?
A. precipitation
B. condensation
C. runoff
D. evaporation
Which of these lists only living
parts of this ecosystem?
A. fox, tree, grass
B. sun, stream, cloud
C. cloud, grass, rock
D. stream, cloud, fox
Great egrets live in marshes, ponds, and
other shallow water areas and eat
creatures such as fish. List two of the
egret’s body parts that make it a good
hunter in shallow water
and explain how each body part helps
the egret hunt.
One
body part that helps the egret
hunt is its long legs that make it easy
to stand in shallow water.
Another body part that helps the
egret hunt is its big beak which
makes it easier to catch fish.
SUMMER
WINTER
Identify two different
characteristics of the arctic
bird that change from summer
to winter and describe how the
characteristics help the bird
survive in its environment.
The
bird’s feathers provide a lot of
insulation. During the winter, they
fluff their feathers to trap air
between their feathers and bodies
Birds also change behaviors in the
cold. Besides eating more, they
huddle together for warmth.