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Science test

Total questions: 100

Worksheet time: 25hrs 0mins

Name
Class
Date
1.

Root hair:

a)

enable elongation of a root.

b)

produces oxygen in the process of photosynthesis.

c)

absorbs water and minerals from soil.

2.

What is the term for the control center for the entire body that sends signals from throughout the body to the brain?

a)

circulatory system

b)

digestive system

c)

nervous system

d)

respiratory system

3.

What organ system are blood vessels part of?

a)

digestive system

b)

circulatory system

c)

nervous system

d)

respiratory system

4.

What organ system are the small and large intestine part of?

a)

digestive system

b)

circulatory system

c)

nervous system

d)

respiratory system

5.

What organ system is the spinal cord part of?

a)

digestive system

b)

circulatory system

c)

nervous system

d)

respiratory system

6.

What is the slippery surface that cover the bones?

a)

synovial membrane

b)

ligament

c)

synovial fluid

d)

cartilage

7.

What is the slippery surface that cover the bones?

a)

synovial membrane

b)

ligament

c)

synovial fluid

d)

cartilage

8.
This organelle creates the energy for the cell
a)
mitochondria
b)
cell membrane
c)
ribosome
d)
endoplasmic reticulum
9.
The ____________ regulates what enters and leaves the cell.
a)
mitochondria
b)
cell membrane
c)
golgi bodies
d)
cytoplasm
10.
What creates the protein for the cell?
a)
Cytoplasm
b)
Nucleus
c)
Golgi bodies
d)
Ribosomes
11.
Jelly-like material that makes up most of the cell
a)
cytoskeleton
b)
cytoplasm
c)
cyclops
d)
cytoliquid
12.
_________ ship and package materials
a)
Golgi bodies
b)
Mitochondria
c)
Rough endoplasmic reticulum
d)
Smooth endoplasmic reticulim
13.
_________ ship and package materials
a)
Golgi bodies
b)
Mitochondria
c)
Rough endoplasmic reticulum
d)
Smooth endoplasmic reticulim
14.
This organelle is stores food, water and waste.
a)
Ribosome
b)
Cytoplasm
c)
Vacuole
d)
Mitochondria
15.
Animal cells have chloroplasts for photosynthesis
a)
True
b)
False
16.
What is the cell wall?
a)
Something in both animal and plant cells
b)
Only in animal cells
c)
Found in plant cells and it surrounds the cell membrane
17.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
18.
An organism made of one cell is called
a)
unicellular organism
b)
multicellular organism
19.
Which organisms are capable of surviving as a single cell?
a)
bacteria
b)
humans
c)
plants
d)
fish
20.
Which best explains why humans are multicellular organisms?
a)
Human cells are too small to function alone.
b)
Human cells join together to form one large cell.
c)
Humans need many cells to carry out life processes.
d)
Humans have many systems that perform the same function.
21.

Which of these is a plant organ responsible for absorbing light energy to make food?

a)

leaf

b)

fruit

c)

petal

d)

root

22.

Which term best describes the brain?

a)

cell

b)

organ

c)

tissue

d)

organ system

23.

What part of a plant's leaves allows the plant to take in carbon dioxide and release oxygen?

a)

stem

b)

cuticle

c)

stomata

d)

chloroplasts

24.

A plant leaf is an organ. In what way is a human lung similar to a plant leaf?

a)

Both organs make chemical energy

b)

Both organs are made up of only one kind of cell

c)

Both organs are made up of protective dermal tissue

d)

Both organs exchange oxygen and carbon dioxide

25.

Which is true of all animals?

a)

They are producers

b)

They are unicellular

c)

They are multicellular

26.

What is the function of the respiratory system?

a)

body system the breaks down food and absorbs nutrients

b)

body system that removes waste from the body

c)

body system that brings oxygen into the body and gets rid of carbon dioxide

d)

body system that circulates blood, oxygen, and nutrients to all the cells of the body

27.

an area where living things interact with one another and with nonliving things

a)

ecosystem

b)

population

c)

community

d)

habitat

28.

a group of organisms of the same species living together in an ecosystem

a)

ecosystem

b)

population

c)

community

d)

habitat

29.

all the populations living in an ecosystem

a)

ecosystem

b)

population

c)

community

d)

habitat

30.

the variety of species in an ecosystem

a)

niche

b)

producer

c)

diversity

d)

consumer

31.

an organism that makes its own food

a)

consumer

b)

producer

c)

food chain

d)

competition

32.

a sequence of connected producers and consumers

a)

food chain

b)

energy pyramid

c)

food web

d)

diversity

33.

a group of connected food chains in an ecosystem

a)

food chain

b)

food web

c)

competition

d)

diversity

34.

an organism that benefits from its relationship with an organism that it lives in or on while the other organism is harmed

a)

host

b)

parasite

c)

symbiosis

d)

rude

35.

the organism that a parasite lives in or on

a)

parasite

b)

kind

c)

host

d)

house

36.

Moist skin covered in scales

a)

Vertebrate

b)

Birds

c)

Fish

d)

Reptiles

37.

Dry skin with scales

a)

mammals

b)

Fish

c)

Birds

d)

Reptiles

38.

skin with hair on most or some of the body

a)

mammals

b)

birds

c)

fish

d)

reptiles

39.

moist skin with no scales

a)

mammals

b)

reptiles

c)

amphibians

d)

fish

40.

backbone made of bone or cartilage

a)

mammals

b)

vertebrates

c)

avertebrates

d)

amphibians

41.

choose the field of science that names and classifies organisms based on their similar characteristics

a)

ecology

b)

zoology

c)

genetics

d)

taxonomy

42.

P = Genus

Q = Phylum

R = Class

S = Kingdom

T = Family

U = Species

V = Order


which of the following sequence shows the hierarchy of classification

a)

Q, S, U, V, T, P, R

b)

S, Q, R, V, T, P, U

c)

V, T, P, S, U, Q, R

d)

U, T, Q, P, V, S, R

43.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
44.
Matter that has its own shape and takes up space.
a)
solid
b)
liquid
c)
gas
45.
Matter that always fills the shape in a container, such as air.
a)
solid
b)
liquid
c)
gas
46.
Which object is a solid that keeps it's shape when it changes containers? 
a)
Chocolate milk
b)
Gravel
c)
Oxygen
47.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
48.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
49.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
50.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
51.
Which state of matter does ice start as (before you cool it)?
a)
liquid
b)
solid
c)
gas
52.

Transparent and brittle (breaks easily)

a)

Metal

b)

Sponge

c)

Glass

d)

Plastic

53.

Weak and absorbent

a)

Fabric

b)

Cardboard

c)

Plastic

d)

Glass

54.
The ability of a material to conduct heat or electrical energy
a)
conductivity
b)
ductility
c)
malleability
d)
fusibility
55.
The ability of a material to withstand wear, especially as a result of weathering
a)
durability
b)
hardness
c)
toughness
d)
strength
56.

Is Mercury a metal?

a)

Yes

b)

No

57.

Which describes a metal?

a)

Some are magnetic.

b)

Conducts heat well.

c)

Shatters easily.

d)

Is ductile.

58.

Which non-metal can be used to purify water?

a)

Carbon

b)

Sulfur

c)

Chlorine

d)

Silicon

59.

In a chemical change, new substances are formed, for example

a)

heating glass and bending it

b)

melting an ice

c)

burning of wood

d)

boil water

60.

iron + sulfur --> iron sulfide


from that word equation, the reactant(s) is/are ....

a)

iron

b)

iron and sulfur

c)

sulfur

d)

iron sulfide

61.

What happens in a chemical reaction?

a)

Atoms form new combinations

b)

Atoms do not form new combinations

62.

when something burns, it reacts with the .... in the air

a)

CO2

b)

CO

c)

C

d)

O2

63.

In detecting chemical reactions, there are few clues we can look, except ...

a)

A colour change

b)

Heat is produced

c)

A gas is given off

d)

No new substances

64.

. ........ is formed when iron reacts with oxygen in the air

a)

iroxy

b)

rust

c)

crumble

d)

substances

65.

from this experiment, we can conclude that rusting need

a)

oxygen

b)

oil

c)

water

d)

oxygen and water

66.

The compound formed when magnesium reacts with oxygen is

a)

Magnesium oxide

b)

Magnesiumide

c)

Magnesium oxygen

d)

Oxymagnesium

67.

The chemical symbol for magnesium is

a)

Mg

b)

MG

c)

mg

d)

Mag

68.

Which of the following is a sign that a chemical reaction has occurred?

a)

change in shape

b)

formation of a gas

c)

melting

d)

dissolving

69.

____________ is the outermost system which is an invisible layer of gases that surround the planet.

a)

biosphere

b)

hydrosphere

c)

geosphere

d)

atmosphere

70.

What is the atmosphere made of?

a)

Nitrogen, Oxygen, and Trace gases

b)

Nitrogen, Oxygen, and Helium

c)

Hydrogen, Oxygen, and Trace gases

d)

Nitrogen and Oxygen

71.

What is the core made of?

a)

steel

b)

magnesium

c)

aluminum

d)

iron

72.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
73.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

74.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
75.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
76.
What is the net force of an object that is not moving?
a)
0 N
b)
100 N
c)
Upward force
d)
10 N
77.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
78.

Which example would be a balanced force?

a)

Train moving at a constant speed in the same direction.

b)

A skier going down a hill.

c)

A basketball being passed to a teammate.

d)

An apple falling to the floor.

79.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
80.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
81.

The diagram shows a box being pulled up the ramp. Which letter represents normal force?

a)

A

b)

B

c)

C

d)

D

82.

The diagram shows a box being pulled up the ramp. Which letter represents applied force?

a)

A

b)

B

c)

C

d)

D

83.

The diagram shows a box being pulled up the ramp. Which letter represents the frictional force?

a)

A

b)

B

c)

c

d)

d

84.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
85.

The biker travels at constant velocity. All of the following are true except-

a)

he has a net force acting on him.

b)

the normal force is equal to his weight.

c)

the force of friction acts opposite the direction of his motion.

d)

the force of friction is equal to the forward force he applies.

86.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

87.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

88.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

89.

A computer uses what type of energy to operate?

a)

Mechanical

b)

Light

c)

Electric

d)

Sound

90.

Which is an example of light energy?

a)

lawn mower

b)

blender

c)

flash light

d)

speaker

91.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
92.
When a pendulum swings, at which point is potential energy at its greatest? (assume there is no friction)
a)
1 and 5
b)
2 and 4
c)
3 
d)
4 and 5
93.
When does that ball have the greatest potential energy?
a)
A
b)
B
c)
C
d)
D
94.
Which point has greatest kinetic energy?
a)
A
b)
B
c)
C
d)
none
95.
Which has the greatest gravitational potential energy?
a)
a minicooper
b)
a semi truck
c)
a human
d)
a baby
96.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
97.
What is a huge ball of very hot gases in space?
a)
galaxy
b)
equator
c)
star
d)
constellation
98.
The star at the center of our solar system
a)
equator
b)
sun
c)
planet
d)
constellation 
99.
To spin on an axis
a)
orbit
b)
revolve
c)
rotate
d)
axis
100.
A grouping of gas, dust, and many stars,plus any objects that orbit those stars
a)
universe
b)
constellation
c)
galaxy
d)
moon phase

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