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Optional Science Review Packet 18-19

Total questions: 100

Worksheet time: 2hrs 19mins

Name
Class
Date
1.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
2.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
3.

I am a cell organelle that is found in both plant and animal cells. I control what can come into or leave a cell. I am a the __________.

a)

cell membrane

b)

cytoplasm

c)

nucleus

d)

vacuole

4.

I am the nucleus of the cell and I can be found in both plant and animal cells. My function or job is _________.

a)

to produce energy

b)

to control the cell's activity

c)

to remove waste products

d)

to allow materials to enter the cell

5.

Animal cells don't contain chloroplasts. Chloroplasts are only found in plant cells because they allow the plant to perform a specific job. What is the main function of the chloroplasts?

a)

to absorb energy from light or the sun so that it can manufacture food.

b)

to remove waste materials from the cell

c)

to make proteins for the cell

d)

to control the shape of the cell

6.

What is the function or job of a cell wall?

a)

to protect and support the cell

b)

its job changes depending on the type of cell

c)

to prevent water leaving the cell

d)

to allow oxygen into the cell

7.

A student looked at a cell while using a microscope. He described the cell's shape as being round but irregular. It wasn't like a perfect circle. What type of cell was he describing?

a)

an animal cell

b)

a plant cell

8.

Which organelle is responsible for stopping harmful substances from entering an animal cell?

a)

nucleus

b)

mitochondria

c)

cell membrane

d)

cell wall

9.

I am a thick, jellylike substance that keeps other organelles in place inside of a cell. I am ___________.

a)

chlorophyll

b)

nucleus

c)

cell membrane

d)

cytoplasm

10.
How are multi-celled and single-celled organisms different?
a)
multi-celled organisms need energy to survive, while single-celled orgranisms need no energy to survive
b)
single-celled organisms can be seen without using a microscope, while multi-celled organisms are microscopic
c)
multi-celled organisms have large numbers of specialized cells to perform a variety of life functions, while single-celled organisms complete life functions within one cell
d)
single-celled organisms have large numbers of identical cells that all perform the same function, while multi-celled organisms have cells that are all different and perform different life functions
11.
This is one of the smallest microorganism 
a)
bacteria
b)
protists
c)
amoeba
d)
euglena
12.
A tool used to see tiny cells
a)
binoculars
b)
magnifying glass
c)
telescope
d)
microscope
13.
What is a way that you can protect yourself from microorganisms that can live on food?
a)
Store uncooked meats in a refrigerator or freezer. 
b)
Wash hands with soap and water before and after handling food.
c)
Cook chicken and other raw meats thoroughly.
d)
All of the above
14.
Which best describes where you would find microorganisms?
a)
in ponds, lakes, and oceans.
b)
in animals, plants, and humans.
c)
on food that has rotted.
d)
everywhere around us.
15.
What is a way that you can protect yourself from microorganisms that can live on food?
a)
Store uncooked meats in a refrigerator or freezer. 
b)
Wash hands with soap and water before and after handling food.
c)
Cook chicken and other raw meats thoroughly.
d)
All of the above
16.
In the 1670s, Leeuwenhoek discovered microorganisms in the human mouth which caused tooth decay.
Which is another way that microorganisms can be harmful?
a)
Microorganisms act on milk to make yogurt.
b)
Microorganisms break down dead organisms.
c)
Microorganisms break down tissues in fruits and vegetables.
d)
Microorganisms can be used to make medicines.
17.
Some bacteria are able to eat substances like oil.  These bacteria are used to clean up oil spills or gasoline leaks.
a)
Harmful
b)
Beneficial
18.
Which group of vascular plants do NOT make seeds?
a)
Coniferous trees
b)
Ferns
c)
Pines
d)
Flowering Plants
19.

How are apple trees and roses alike?

a)

they are both nonvascular

b)

they are both gymnosperms

c)

they are both angiosperms

d)

neither have seeds

20.

Which of these plants is nonvascular?

a)

apple tree

b)

fern

c)

dandelion

d)

moss

21.
Which of these is NOT a way to classify plants?
a)
as vascular and nonvascular
b)
as vertebrates and invertebrates
c)
as seed producing and spore producing
d)
as deciduous and coniferous
22.

A flower-producing vascular plant in which the seed is enclosed in a fruit.

a)

Angiosperm

b)

Gymnosperm

c)

Conifer

d)

Fern

23.

Which of these is NOT a trait or example of a gymnosperm?

a)

has seeds

b)

vascular

c)

apple tree

d)

pine tree

24.
What are the 2 MAIN groups of plants?
a)
seed plants and seedless plants
b)
gymnosperms and angiosperms
c)
horsetails and ferns
d)
vascular and nonvascular
25.
Some of the world's tallest plants are:
a)
vascular
b)
nonvascular
26.
Which group of plants absorb water like a sponge?
a)
vascular 
b)
nonvascular
27.
Ferns do not have seeds, they reproduce with,
a)
root
b)
spores
c)
flowers
d)
cones
28.
Gymnosperms produce seeds usually in
a)
cones
b)
flowers
c)
fruit
d)
spores
29.

A rose is an example of a gymnosperm.

a)

True

b)

False

30.
A seed can move by wind, water, and ________.
a)
clouds
b)
singing
c)
cars
d)
animals
31.
Nonvascular plants usually grow in:
a)
damp, shady areas
b)
deserts
c)
arctic regions
d)
sunny fields
32.
What type of animal has dry scaly skin and lays its eggs on land?
a)
fish
b)
amphibian
c)
reptile
d)
mammal
33.
What type of animal spends part of its life in water and part on land and lays its eggs in water?
a)
amphibians
b)
reptiles
c)
birds
d)
fish
34.

How are reptiles and fish similar?

a)

They are warm cold-blooded.

b)

They both breathe through gills.

c)

They are both cold-blooded.

d)

They are both invertebrates.

35.

How are dogs and iguanas similar?

a)

They are both warm-blooded

b)

They both have 4 legs

c)

They both give live birth.

d)

They both feed their young milk.

36.
Classify the following organism that Nick discovered: 
1. does not have lungs
2. lays eggs
3. lives only in water
4. has scales 
a)
mammal
b)
fish
c)
amphibian
d)
bird
37.
How would you classify the following organism?
1. They breathe with lungs
2. Their babies hatch from eggs
3. They are cold blooded
4. They have dry and tough skin
a)
fish
b)
reptile
c)
amphibian
d)
bird
38.

How are dogs and iguanas similar?

a)

They are both warm-blooded

b)

They both have 4 legs

c)

They both give live birth.

d)

They both feed their young milk.

39.

Which statement about pigs and bats is TRUE?

a)

Pigs and bats feed their young milk,.

b)

Pigs are mammals, but bats are birds.

c)

Pigs are warm blooded, but bats are cold-blooded.

d)

Pigs give live birth, but baths lay eggs.

40.

Invertebrates do not have backbone, but they could have a hard outer shell.

a)

True

b)

False

41.
Invertebrates are animals without backbones. The sponge, the octopus, and snail are examples of invertebrates. Which of these organisms is not an invertebrate?
a)
slug
b)
earthworm
c)
butterfly
d)
snake
42.

A sand dollar is an invertebrate. It does not have a backbone. What organism is most like a sand dollar?

a)

shark

b)

lizard

c)

starfish

d)

snake

43.

What characteristic did scientist chose to group shrimp, with the fish and the shark?

a)

how it obtains oxygen

b)

how it digests food

c)

how it supports itself

d)

how it obtains food

44.

Which does not belong?

a)

bat

b)

hawk

c)

eagle

d)

owl

45.

Which doesn't belong?

a)

jellyfish

b)

starfish

c)

crab

d)

dolphin

46.

This animal hatches from leathery or rubbery eggs

a)

Bird

b)

Mammal

c)

Reptile

d)

Fish

47.

A state of matter that has a definite volume and a definite shape.

a)

solid

b)

liquid

c)

gas

d)

matter

48.
Burning wood to ash is an example of a:
a)
Physical change
b)
Chemical change
49.
Water freezing to ice is an example of a:
a)
Physical change
b)
Chemical change
50.
Chopping wood is an example of a:
a)
Physical change
b)
Chemical change
51.
Which of the following could be a characteristic that changes in matter during a PHYSICAL CHANGE?
a)
Size
b)
State
c)
Texture
d)
All of the above
52.

This state of matter does not have a definite volume nor a definite shape.

a)

Gas

b)

Liquid

c)

Solid

d)

Milk

53.

This state of matter does have a definite volume but not a definite shape.

a)

Gas

b)

Liquid

c)

Solid

d)

Milk

54.
Which of the following is not an example of Physical Change?
a)
Melting of an ice cream
b)
Water vapor formed as water boils
c)
Frying an egg
d)
Cutting the paper into pieces
55.

Which of the following is an example of physical change?

a)

an ice cream melts due to heat

b)

food digestion in stomach

c)

rusting of iron due to water exposure

d)

fireworks

56.

When my glass of water is sitting in the sun and disappears into a gas, what has happened?

a)

The glass gained heat energy.

b)

The glass lost heat energy.

57.

When my ice cream changes from a solid to a liquid, what has happened?

a)

The ice cream lost heat energy.

b)

The ice cream gained heat energy.

58.
Is "a glass of milk becoming sour" physical or chemical?
a)
Chemical change
b)
Physical change
59.
Is "mold growing on cheese" a chemical or physical change?
a)
Chemical change
b)
Physical change
60.

Jim has a pitcher of water and adds a powder drink mix to make lemonade. What is this called?

a)

mixture

b)

compound

c)

combination

d)

solution

61.

What is formed when two or more elements join together?

a)

compound

b)

mixture

c)

solution

62.
A chemical change is a change in:
a)
the appearance of a substance. 
b)
the chemical make-up of a substance. 
c)
the texture of matter. 
d)
the way matter is created. 
63.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
breaking a pencil
c)
shrunken clothing
d)
sour milk
64.
Is making chocolate milk a physical or chemical change?
a)
physical
b)
chemical
65.

Which BEST defines a destructive force?

a)

A natural process that destroys land

b)

A natural process that creates land

c)

A natural process where areas that are normally dry is covered in water

66.

Which BEST defines a constructive force?

a)

a natural occurrence that can build up or break down

b)

an earthquake or a volcano

c)

a natural force that builds up and creates new land

d)

a destructive force that has been controlled

67.
When the material that is worn down is carried away by wind, moving water, ice, living beings or gravity.
a)
Weathering 
b)
Erosion
c)
Deposition
68.
When those materials stop moving and build up somewhere else.
a)
Weathering
b)
Erosion
c)
Deposition
69.
A hill of sand, made and shaped by wind.
a)
Sand Dune
b)
Delta
c)
Fault
d)
Volcano
70.
An area of new land at the mouth of a river.
a)
Sand Dune
b)
Delta
c)
Fault
d)
Glacier
71.
How were the Hawaiian islands formed?
a)
by an earthquake
b)
by volcanoes
c)
by tidal waves
d)
by wind erosion
72.
Why are the rocks and pebbles found in riverbeds usually smooth?
a)
The rocks are very old.
b)
Animals in the river keep rubbing against the rocks.
c)
Rivers only flow where rocks are smooth.
d)
The rocks are worn smooth by rubbing against other rocks.
73.
 Which example shows how Earth's surface has been changed by fast-moving water?
a)
earthquake
b)
canyon
c)
volcano
d)
freshwater lake
74.

Which of these can help PREVENT soil erosion?

a)

construction sites

b)

planting grass

c)

raising grazing animals

d)

digging ditches

75.

Which of these can help control floods?

a)

building bridges

b)

pollution

c)

beach reclamation

d)

levees

76.
A crack in the Earth's crust is called a ____________.
a)
fault
b)
magma
c)
lava
d)
volcano
77.

The strange shape of the rock formation shown below is most likely the result of which of the following?

a)

A landslide

b)

Gradual weathering

c)

A volcanic eruption

d)

An earthquake

78.
Water seeps into cracks and freezes causing the ice to act like a wedge and break the rock.  This is a constructive process. 
a)
true
b)
false
79.
When the Earth's plates push together they gradually form
a)
volcano
b)
earthquake
c)
mountains
d)
valleys
80.
The machine that a seismologist uses to record earthquakes is called a __________________.
a)
Richter scale
b)
seismograph
c)
Earthquake intensity scale
d)
Earthquake scale
81.
Which is one way earthquakes change the land?
a)
They pick up weathered rock and move it.
b)
They cause cracks in Earth's surface.
c)
They release ash and melted rock.
d)
They help form soil.
82.

Faults are considered to be which type of force?

a)

constructive

b)

destructive

c)

neither

d)

both

83.

Canyons are considered to be which type of force?

a)

constructive

b)

destructive

c)

neither

d)

both

84.
Which of the following is most likely inherited by flowering plants?
a)
lean on a pole
b)
the ability to produce cones
c)
the ability to produce seeds
d)
forming different shapes when trimmed
85.
Which of these are characteristics of inherited traits?
a)
the ability to speak in front of a crowd
b)
having green eyes and brown hair
c)
mastering multiplication facts
d)
becoming an extrovert
86.
Which of these is not an instinctive behavior? 
a)
a bird building a nest
b)
a turtle burying its eggs
c)
a bear hibernating in winter
d)
a horse pulling a plow
87.
A person who breeds animals keeps careful records of the fur color of parents and offspring from each generation. The fur color is a trait transferred from generation to generation. What are the structures that carry the information for these traits?
a)
the skin
b)
the genes
c)
the nerves
d)
the cytoplasm
88.
Karen has two sisters and one younger brother. She is the only blonde in her family. However, everyone in her family has brown eyes.
Which of these is being described in the passage?
a)
gene display
b)
inherited traits
c)
learned behaviors
d)
nature versus nurture
89.
True or False
Only humans can pass down traits.
a)
True
b)
False
90.
True or False
A learned behavior is an acquired trait.
a)
True
b)
False
91.
Some birds fly south for the winter. Birds know when and where to fly because of ________________. 
a)
camouflage
b)
mimicry
c)
instinct
d)
hibernation
92.
Which of these is an example of learned behavior? 
a)
a spider making a web 
b)
geese migrating south for the winter 
c)
birds singing to each other
d)
a service dog helping its owner
93.
Which of the following characteristics of a field mouse ismost likely NOT inherited from its parents?
a)
a scar on the leg
b)
size of the ears
c)
length of the tail
d)
brown hair
94.
Why do organisms resemble their parents? 
a)
because traits are inherited from parent to offspring 
b)
because traits are given as gifts on holidays
c)
because if they don’t look like their parents they wouldn’t match
d)
because people wouldn’t recognize their siblings if they didn’t look alike
95.
Each of the following is a learned behavior EXCEPT which one?
a)
speaking a second language
b)
reading
c)
writing
d)
sleeping
96.
Fox squirrels live in the trees of city parks in Texas.  Each spring they build nests of twigs and leaves in the tops of trees.   They are also often found near park benches, waiting to be fed by visitors.    
For fox squirrels, which of these is  a learned behavior?  
a)
Having brown fur 
b)
Taking food from people
c)
Having a long bushy tail 
d)
Having sharp claws 
97.
The caterpillars of monarch butterflies eat milkweed leaves.   Milkweed leaves contain sap that is toxic to many animals but not to Monarch butterflies.   This sap makes the monarch butterfly caterpillars toxic to predators and protects them from being eaten.  
Which of these is an inherited trait of Monarch butterfly caterpillars? 
a)
The size of the leaves that they eat
b)
The ability of the caterpillars to eat toxic leaves without being harmed 
c)
The number of milkweed leaves they eat each day
d)
The number of leaves on the milkweed plants 
98.

Acquired or Inherited?


Having striped fur or spotted fur

a)

Acquired

b)

Inherited

99.

Acquired or Inherited?


Flower color

a)

Acquired

b)

Inherited

100.

Josie's parents, grandparents, and great-grandparents all had their ears pierced when they were 9 years old. Josie's 9th birthday is next month, and it will be her turn to get her ears pierced.


Which statement is TRUE?

a)

Josie's ear piercing will be an inherited trait, because all members of her family before her have had their ears pierced.

b)

Josie's ear piercing will be an acquired trait, because ear piercings have been passed down from generation to generation.

c)

Josie's ear piercing will be an acquired trait, because we are not born with our ears already pierced.

d)

Josie's ear piercings will be an inherited trait, because she will have to go to someone to pierce her ears for her.

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