Transcript Living Things and Energy Review Power Point

Living Things and Energy
4th Grade Life Sciences Review
©2012 Tamara Helfer, Sequoia Science Explorations
True or false:
Protists are examples of microorganisms.
A. True
B. False
4LS3d
1
True or false:
A producer is an organism that makes its own food.
A. True
B. False
4LS2b
1
True or false:
Bacteria can be both helpful and harmful to human
life.
A. True
B. False
4LS2d
1
A ________________ is an organism that gets its energy
directly from the Sun.
A.
B.
C.
D.
4LS2b
consumer
producer
solar panel
decomposer
1
A ________________ is an animal that hunts another animal
for food.
A. predator
B. prey animal
4LS2b
1
An organism that is too small to be seen without a
microscope is called a ____________________.
A.
B.
C.
D.
fungus
decomposer
microorganism
microbiologist
4LS2c, 4LS3d
1
Match each word with the best description:
A. Herbivore
B. Carnivore
C. Omnivore
4LS2b
1. Eats animals
2. Eats plants and animals
3. Eats plants
1
What is considered the smallest unit of life?
A.
B.
C.
D.
a cell
a bacterium
a blade of grass
the tail of a euglena
4LS2c, 4LS3d
1
Which statement is true?
A. Bacteria are usually very dangerous to human beings.
B. It’s easy to see bacteria in pond water if you look
closely with just your eyes.
C. Bacteria are the same thing as protists.
D. Although bacteria can sometimes cause disease, they
are often beneficial to human beings.
4LS3d
2
Which kingdom of life includes some of the smallest
microorganisms?
A.
B.
C.
D.
4LS2c
animals
plants
bacteria
protists
2
Which kingdom of life can be harmful to human beings by
causing disease, and can be helpful to human beings
by aiding in digestion?
A.
B.
C.
D.
4LS3d
animals
plants
bacteria
protists
2
Which kingdom of life has chlorophyll, makes its own food,
and cannot move from place to place?
A.
B.
C.
D.
4LS2a
animals
plants
fungi
protists
2
Mushrooms, yeasts and molds are part of which kingdom of
life?
A.
B.
C.
D.
4LS2c
animals
plants
fungi
bacteria
2
Which is an example of an organism that has only one cell?
A.
B.
C.
D.
4LS2c
a euglena
a blade of grass
a fruit fly
a mushroom
2
Name a way that microorganisms can be helpful to human
life.
A.
B.
C.
D.
4LS3d
Some bacteria aid with human digestion.
Some bacteria cause deadly disease.
Some protists carry out photosynthesis.
Fungi like mold can grow on food.
2
The source of energy for all plants is _____________.
A.
B.
C.
D.
4LS2a
the sun
their roots
plant food
herbivores
2
Name three kinds of decomposers.
A. fungi, microorganisms, and some insects
B. leaves, fruit, and food scraps
C. an organism that recycles matter from dead plants and
animals
D. an organism that makes its own food
4LS2c
2
How do protists called euglena sometimes act like plants?
A.
B.
C.
D.
4LS2c
In sunlight, euglena carries out photosynthesis.
In the dark, euglena moves around to get food.
Euglena have roots and stems.
Euglena have leaves that turn bright colors in the
autumn.
2
What organism is both a consumer and a decomposer?
A.
B.
C.
D.
4LS2b
a flower
a skunk
an earthworm
a fish
2
What is one way that plants and other producers help human
beings and other animal life on earth?
A. Plants and other producers give off carbon dioxide as
an end product of photosynthesis.
B. Plants and other producers give off oxygen as an end
product of photosynthesis.
C. Plants and other producers give off helium as an end
product of photosynthesis.
D. Plants and other producers give off nitrogen as an end
product of photosynthesis.
4LS2a
2
Which of the following does a plant use to carry out
photosynthesis?
A.
B.
C.
D.
4LS2a
sunlight
carbon dioxide
water
all of the above
2
Which animal competes with the pocket gopher in this food
web?
A.
B.
C.
D.
4LS2b
the vole
the barn owl
the grasses
the manzanita berries
2
Coyotes eat voles and pocket gophers. How
might this food web be affected if
coyotes moved into this
environment?
A. The voles would move out of the environment.
B. The coyotes would not affect this food web.
C. The barn owls and the coyotes are not allowed to
compete with each other.
D. The barn owls might have a hard time finding enough
food to eat.
4LS2b
2
Where do human beings fit in on a food web?
A.
B.
C.
D.
4LS2b
Human beings are producers.
Human beings are consumers.
Human beings are decomposers.
Human beings conduct photosynthesis.
2
Scientists classify all life into six kingdoms. What are they?
A. Animals, vegetables, minerals, rock, paper, scissors
B. Oceans, deserts, rainforests, savannahs, woodlands,
prairies
C. Microorganisms, bacteria, protists, algae, amoebae,
euglena
D. Animals, plants, protists, fungi, bacteria, archaea
4LS
3
Which statement is true?
A. Microorganisms are usually very dangerous to human
life.
B. Decomposers like fungi carry out photosynthesis.
C. Some microorganisms are producers, some are
consumers, and some are decomposers.
D. Microorganisms are herbivores.
4LS2b
3
Which statement is not true about photosynthesis?
A. Plants take in sunlight, water, and carbon dioxide to
begin the process of photosynthesis.
B. Plants give off oxygen as a product of photosynthesis.
C. Plants use chlorophyll to help take in sunlight and to
use for producing sugar.
D. A plant that is kept in a dark closet will use
photosynthesis to make its own food.
4LS2a
3
Which statement best explains what a food chain is?
A. A food chain is when a barn owl eats a meadow vole.
B. A food chain shows how energy passes from one
organism to another.
C. A food chain always starts with a producer.
D. A food chain always ends with decomposers.
4LS2b
3
Which statement best explains what biomass is?
A. Biomass is a person who studies life on earth.
B. Biomass is an instrument used to measure mass in a
biology lab.
C. Biomass is the study of living things.
D. Biomass is the amount of living things in an
environment.
4LS2a
3
Where would you look if you wanted to find some protists?
A.
B.
C.
D.
4LS2c
in a pond
in a desert
in a refrigerator
in a volcano
3