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reviewer in Science 1.1

Total questions: 121

Worksheet time: 5hrs 1mins

Name
Class
Date
1.

Which part of an atom has a positive charge?

a)

proton

b)

electron

c)

neutron

d)

nucleus

2.

When salt or sugar is added to water and stirred with a spoon it creates..

a)

a mixture

b)

a new substance

c)

a liquid

d)

a solution

3.

Matter is

a)

anything that has mass

b)

anything that has volume

c)

any and everything

d)

anything that has mass and takes up space

4.

Why does a balloon expand when it is inflated?

a)

the rubber stretches

b)

the air particles inside spread out and cause it to inflate

c)

its magic!

5.

Atoms that make up matter are

a)

large

b)

can be see with your eyes

c)

are too small to be seen

6.

If you leave a solution of sugar and water out for a number of days

a)

the sugar will evaporate

b)

it will all turn into sugar

c)

only the water will evaporate

d)

both the sugar and water will evaporate

7.

If you leave a solution of sugar and water out on the kitchen counter for a number of weeks, and then go back to check the cup, you will find..

a)

only sugar crystals left in the cup

b)

only water in the cup

c)

nothing left in the cup

d)

the solution will all look just like it did when you made it

8.

If you were to change water from an ice cube to liquid and then a gas, which characteristic would not change?

a)

the volume

b)

the state

c)

the mass

d)

the size

9.

When water is heated the particles

a)

speed up and spread out

b)

slow down and come together moving past one another

c)

speed up and get tightly packed together

d)

slow down and vibrate together

10.

What does removing heat or energy from matter do to its particles?

a)

causes the matter to turn into a gas

b)

causes the particles to slow down

c)

causes the particles to speed up and move fast

d)

causes the particles stand still

11.

If you had a bottle with water and balloon on top of the opening, how could you cause the balloon to inflate?

a)

by heating up the water in the bottle

b)

by placing the bottle in the freezer

c)

by shaking the bottle

d)

there is no way to inflate the balloon

12.

Adding baking soda to vinegar in a bottle with a balloon covering the opening would

a)

cause an explosion that would shatter the bottle

b)

cause a physical change to the bottle

c)

cause a chemical reaction creating a gas to inflate the balloon

d)

nothing would happen

13.

How are water and water vapor similar?

a)

the particles in both move fast

b)

they are the same type of matter

c)

they are in the same state or phase

d)

they have no similarities

14.

Melting sugar to make candy is a

a)

physical change

b)

Chemical change

15.

Which of the following are chemical changes? Choose more than one answer.

a)

painting a wall

b)

rusting iron

c)

tearing paper

d)

melting sugar

e)

baking a cake

16.

If two liquids are mixed and they change color and start to bubble, this is evidence of

a)

a physical change

b)

a chemical change

c)

magic

d)

I don't know.

17.

If you break a rock into pieces, what has changed about the rock? Choose more than one answer.

a)

the size

b)

the mass

c)

the shape

d)

the color

18.

Solubility

a)

is the ability of matter to turn into a solid

b)

is the ability of matter to dissolve

c)

is the way water moves

d)

is how gas is formed

19.

The law of conservation of mass is

a)

when the mass of matter stays the same after it has changed physically or chemically

b)

when the mass changes after a chemical change

c)

when the mass changes after a physical change

d)

when the mass reduces after a change

20.

Inflating a balloon with air shows that

a)

air is heavier than liquid

b)

air has mass and is made of particles too small to be seen

c)

air is not a state of matter

d)

air is magical

21.

You mix two substances, then notice the color has changed or something is floating in the liquid, you are witnessing

a)

a new substance is forming due to a chemical change

b)

a physical change only

c)

magic

22.

Freezing point and melting point

a)

cause matter to do the same thing

b)

are the same exact temperatures

c)

both make matter into solids

d)

both make matter into gases

23.

Chemical changes

a)

can be undone or reversed

b)

always involve changing the size of matter

c)

form new substances

d)

cause only physical changes to matter

e)

can not usually be undone or reversed

24.

The independent variable in an experiment

a)

is the only thing being tested

b)

is what is being measured

c)

are all of the things that are kept the same in the experiment

d)

is what you think will happen in the experiment

25.

The dependent variable in an experiment

a)

is the only thing being tested

b)

is what is being measured

c)

are all of the things that are kept the same in the experiment

d)

is what you think will happen in the experiment

26.

Constants in an experiment

a)

is the only thing being tested

b)

is what is being measured

c)

are all of the things that are kept the same in the experiment

d)

is what you think will happen in the experiment

27.

Qualitative observations

a)

are descriptions made about something using your five senses

b)

are descriptions using numbers or measurements

28.

Quanitative observations

a)

are descriptions made about something using your five senses

b)

are descriptions using numbers or measurements

29.

If , then statements that explain what you predict will happen in an experiment are

a)

variables

b)

constants

c)

hypotheses

d)

conclusions

30.

A unicellular organism is BEST described as being

a)

a complex organism

b)

a microorganism

c)

an organism with specialized cells

d)

an organism with different types of tissues

31.

Which is an example of a single-celled organism?

a)

fish

b)

tree

c)

fungi

d)

human

32.

When a thin slice from an onion is viewed through a microscope, lots of little box-like shapes are seen. These shapes are MOST likely

a)

atoms

b)

dust

c)

cells

d)

bubbles

33.

White-tailed deer have many body systems that work together to perform the functions necessary for survival. Which best describes the white-tailed deer?

a)

It is an organism with no cells.

b)

It is an organism with many cells.

c)

It is an organism with only one cell.

d)

It is an organism with only two cells.

34.

How are single-celled organisms and multi-celled organisms similar?

a)

Both need food for energy and growth.

b)

Both have a skeletal system for support.

c)

Both require the interaction of many cells to survive.

d)

Both are able to carry out all life functions in only one cell.

35.

Which organism is single-celled?

a)

bacteria

b)

tree

c)

dog

36.

An organism can only be seen through a microscope. Which is most likely true of that organism?

a)

It is a plant.

b)

It is an animal.

c)

It is multicellular.

d)

It is single-celled.

37.

Which body system's main purpose is to help the body move?

a)

digestive system

b)

muscular system

c)

respiratory system

38.

Which example best shows structures that make up the digestive system in the human body?

a)

heart, blood, vessels

b)

nose, trachea, lungs

c)

brain, spinal cord, nerves

d)

esophagus, stomach, intestines

39.

Which system produces red blood cells?

a)

skeletal

b)

nervous

c)

digestive

d)

circulatory

40.

What do the muscular system and skeletal system have in common?

a)

Both systems protect the brain.

b)

Both systems pump blood in the body.

c)

Both systems are made up of soft material.

d)

Both systems assist the body with movement.

41.

In which system of the human body does the heart belong?

a)

skeletal system

b)

respiratory system

c)

cardiovascular system

42.

Which statement best summarizes the relationship between the muscular system and the cardiovascular system?

a)

The heart is protected from injury by the breastbone.

b)

Nutrients are carried to the heart through arteries and veins.

c)

Messages are carried by nerves between the brain and the heart.

d)

The heart contracts and expands as it pumps blood throughout the body.

43.

Which best describes a function of the circulatory system?

a)

transport blood

b)

provide oxygen

c)

help the body move

44.

Why is the respiratory system so important?

a)

It controls breathing and gas exchange in the body.

b)

It controls digestion and absorption of nutrients in the body.

c)

It controls heartbeat and blood circulation throughout the body.

d)

It controls internal body temperature and cools the body through sweat.

45.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
46.
Cells work together to make the following.
a)
tissues
b)
organs
c)
organ systems
d)
organism
47.
Tissues work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
48.
Organs work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
49.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
50.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
51.
This organelle is in both plants and animals. It is a barrier between the cell and the environment.  It controls what goes in and out of a cell.
a)
cell wall
b)
cell membrane
c)
cell organelles
d)
mitochondria
52.
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
a)
Chloroplasts
b)
Chromosomes
c)
Cytoplasm
d)
Mitochondria
53.
This organelle is in all eukaryotic cells. It is the control center of the cell because it holds the DNA.
a)
Mitochondria
b)
Nucleus
c)
Chloroplasts
d)
Ribosomes
54.
This structure is only in plant cells. It is outside of the cell membrane and adds more support/structure to the plant.
a)
Cell membrane
b)
Cell Nucleus
c)
Cell Wall
d)
Endoplasmic Reticulum
55.
This structure is a storage area for the cell. Plants usually have one large one.
a)
Lysosome
b)
Vacuole
c)
Ribosome
d)
Golgi Body
56.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
57.
What is the main function of the cell membrane?
a)
Digestion
b)
Storage
c)
Protecitve Barrier
d)
INSANE IN THE MEMBRANE!
58.
I am only found in a plant cell. What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
59.
Non-living objects have cells.
a)
True
b)
False
60.
Animals that have a backbone are called
a)
vertebrate
b)
invertebrate
c)
insects
d)
crustaceans
61.
Animals without a backbone are called
a)
invertebrates
b)
vertebrates
c)
mammals
d)
birds
62.
Flowers and trees fall into the kingdom
a)
plants
b)
animals
c)
fungi
d)
bacteria
63.
The science of finding patterns among living things is called
a)
classification
b)
kingdoms
c)
sorting
d)
groups
64.
Scientists classify plants into what 2 major groups?
a)
vascular and nonvascular
b)
big and small
c)
vertebrate and invertebrate
d)
mammals and plants
65.
Plants that produce flowers are
a)
angieosperms
b)
gymnosperms
c)
big
d)
yellow
66.
Some plants grow from seeds, others, such as mosses and liverworts, grow from
a)
spores
b)
eggs
c)
seeds
d)
nothing
67.
Which of the following is an invertebrate?
a)
frog
b)
worm
c)
dog
d)
lion
68.
Animals that usually have the same body temperature regardless of whether their surroundings are worm or cold are called
a)
warm blooded
b)
cold blooded
c)
vertebrates
d)
animals
69.
Fish breathe using
a)
gills
b)
lungs
c)
muscles
d)
cold blooded
70.
Animals that spend part of their time in the water and part on land are called
a)
amphibians
b)
reptiles
c)
fish
d)
birds
71.
Animals whose babies drink their mother's mild are called
a)
mammals
b)
reptiles
c)
birds
d)
fish
72.
Plants that have tube-like structures that carry nutrients and water through the plant are 
a)
vascular
b)
nonvascular
c)
vertebrate
d)
invertebrate
73.
Mosses are 
a)
vascular
b)
nonvascular
c)
vertebrates
d)
invertebrates
74.
Ferns are
a)
vascular
b)
nonvascular
c)
vertebrates
d)
invertebrates
75.
Liverworts are
a)
vascular
b)
nonvascular
c)
vertebrates
d)
invertebrates
76.
Flowering plants are
a)
vascular
b)
nonvascular
c)
vertebrates
d)
invertebrates
77.
A dolphin is a 
a)
bird
b)
mammal
c)
reptile
d)
fish
78.
A salamander is a 
a)
amphibian
b)
reptile
c)
bird
d)
mammal
79.
A snake is a 
a)
reptile
b)
amphibian
c)
fish
d)
mammal
80.
A shark is a 
a)
fish
b)
mammal
c)
amphibian
d)
reptile
81.
A penguin is a 
a)
bird
b)
fish
c)
mammal 
d)
amphibian
82.

Means to lessen the amount of trash that will add up to the environment

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

83.

Means to find another use for materials that have already been used or that have served its purpose.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

84.

Means to create a new product out of a material that has already served its purpose.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

85.

This is the recovery of waste without any pre-processing.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

86.

It is fixing or restoring broken items to be used.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

87.

Recovering the energy from waste oil reduces our dependence on coal and imported oil.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

88.

Create a new product from used materials of higher quality or value than the original and sometimes with artistic value.

a)

REUSE

b)

REDUCE

c)

UPCYCLE

d)

RECOVER

e)

REPAIR

89.

Donating clothes and other useful materials to some organizations.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

90.

Using cloth bags or ecobags when going to groceries or public market.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

91.

Avoid buying new materials when you still have supplies that can be used.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

92.

Donating clothes and other useful materials to some organizations.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

93.

Create plastic pots from disposable plastic bottles

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

94.

Elisse wanted to buy new study table for online class but since she has no enough her dad fix her old study table.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

95.

Max is always using his own metallic straw every time they order foods and drinks in fastfood chains so he could help lessen the use of plastic straws

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

96.

Elisse wanted to buy new study table for online class but since she has no enough money her dad fix her old study table.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

97.

Avoid buying new materials when you still have supplies that can be used.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

98.

It is a way to create a new material out of the non-biodegradable materials that you have collected.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

99.

It means that biodegradable materials can be still used in other ways

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

100.

It is simply putting a limit in daily use of non-biodegradable materials

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

101.

Instead of disposing the rice hulls from the rice mills, Bataan 2020 is collecting rice hulls from nearby barangays and burn them so they could produce energy from it.

a)

REUSE

b)

REDUCE

c)

RECYCLE

d)

RECOVER

e)

REPAIR

102.

Which box has a higher density?

a)

A

b)

B

c)

They are the same

103.

What causes an object to sink in a water?

a)

if the object's density is less than the water's density.

b)

if the object's density is the same as water's density.

c)

if the object's density is greater than water's density.

d)

if the object's density is zero

104.

An object will float in a liquid if it is

a)

cooled to the same temperature.

b)

heated to the same temperature.

c)

less dense than the liquid.

d)

more dense than the liquid.

105.

Will a rock float or sink?

a)

Float

b)

Sink

106.

Will a rubber band float or sink?

a)

Float

b)

Sink

107.

What is the upward push of a liquid on the object?

a)

buoyant force

b)

gravity

c)

density

d)

malleability

108.

Which of the following refers to the amount of matter an object has?

a)

length

b)

buoyancy

c)

mass

d)

density

109.

This object is made of

a)

rubber

b)

plastic

c)

ceramic

d)

fabric

110.

This object is made of

a)

plastic

b)

metal

c)

wood

d)

paper

111.

This object is made of

a)

wood

b)

metal

c)

glass

d)

rubber

112.

Identify the name of the symbol in number 18.

a)

Explosive

b)

Corrosive

c)

Irritant

d)

Toxic

113.

Identify the name of the symbol in number 19.

a)

Explosive

b)

Corrosive

c)

Irritant

d)

Toxic

114.

Identify the name of the symbol in number 14.

a)

Health hazard

b)

Explosive

c)

Oxidizing

d)

Flammable

115.

Identify the name of the symbol in number 13.

a)

Health hazard

b)

Explosive

c)

Oxidizing

d)

Flammable

116.

Identify the name of the symbol in number 17.

a)

Health hazard

b)

Compressed gas

c)

Environmentally damaging

d)

Toxic

117.

Pesticides can be kept inside the fridge together with other food.

a)

True

b)

False

118.

Store household products according to label directions.

a)

True

b)

False

119.

Store household products within the reach of children.

a)

True

b)

False

120.

Storing toxic materials near food products in the kitchen is fine.

a)

True

b)

False

121.

Plastics easily decompose.

a)

True

b)

False

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