WorksheetsScientific Terms (Part 1)
Total questions: 150
Worksheet time: 1hrs 23mins
What is the main building unit of the living organism's body that can do all its vital processes?
(a)
Which muscles move automatically and cannot be controlled voluntarily?
(a)
What is the temperature at which matter changes from liquid state to gas state called?
(a)
Name the materials that slow down heat transfer.
(a)
What is the state of matter that changes into liquid state by heating?
(a)
What do we call materials that are attracted to a magnet?
(a)
Which organ controls the level of sugar in the human body?
(a)
What is the movement of charged particles through a conducting wire called?
(a)
What do we call a group of tissues that does a special function?
(a)
Name the system that secretes hormones helping the body respond in different situations.
(a)
What device generates electricity by using magnets?
(a)
Which way transfers heat through liquids and gases?
(a)
What device is inserted into the chest to stimulate the heart to beat regularly?
(a)
What is the way by which heat is transferred through solids only?
(a)
What is the measuring unit of heat?
(a)
Which state of matter has particles with the most thermal energy?
(a)
Which cell organelles provide the cell with its needed energy?
(a)
Which cell part is often located at the center of the cell?
(a)
Which cell component allows water to enter and exit the cell?
(a)
What materials allow electric charges to flow through them?
(a)
Name the hormone that controls the level of sugar in the human body.
(a)
What surrounds the plant cell to give it a definite shape?
(a)
What is the area around a magnet in which its force appears called?
(a)
Which device is used to measure the temperature?
(a)
What are organisms whose bodies consist of more than one cell called?
(a)
Which device can be used to magnify cells so we can see them?
(a)
What is a group of organs that perform a specific function called?
(a)
Which cell structure controls cell division and other cell activities?
(a)
Which body system is responsible for eliminating carbon dioxide from the body?
(a)
What is a closed loop for transmitting an electric current called?
(a)
Which device is used to detect a small electrical current in a circuit?
(a)
What is the total sum of the kinetic energy of a substance's atoms and molecules called?
(a)
What is the process of changing a substance from a liquid into a solid?
(a)
What is the process of changing a substance from a liquid into a gas?
(a)
What is the transfer of heat through space or air called?
(a)
.................... are the powerhouses in the cell that convert sugar into energy.
Chloroplasts
Mitochondria
Vacuoles
Golgi bodies
Growth of a living organism resulted from increasing the .................... of cells in its body.
size
length
number
mass
.................... process is the change of matter from the gas state to the liquid state.
Condensation
Evaporation
Melting
Absorption of nutrients takes place in the ....................
stomach
small intestine
large intestine
The heat transfers through space by ....................
radiation
convection
conduction
.................... is the transfer of heat due to the movement of liquid or gas.
Radiation
Conduction
Freezing
Convection
The factors which effect on gravitational force ....................
mass and shape
mass and volume
distance and volume
distance and mass
Scientists use a .................... to detect the flow of electric current.
battery
switch
generator
galvanometer
Musculoskeletal system allows the body to ....................
transmit nutrients
move from place to another
digest food
breath
All of the following are responsible for excretion process, except ....................
urinary system
respiratory system
skin
digestive system
Which of the following is a poor conductor of electricity and used to coat wires? ....................
A conductor
An insulator
A switch
A battery
Heat transfers through copper and iron by ....................
conduction only
radiation and convection
conduction and convection
radiation only
When a thermometer is put in a hot water, the alcohol inside it will ....................
contract
decrease
not affect
expand
The heat transfers through solids by ....................
radiation and convection
convection
conduction
radiation
All the following are electric insulators, except ....................
rubber
copper
plastic
wood
The forearm moves toward the shoulder when the muscle in the front ....................
doesn't move
contracts
relaxes and contracts
relaxes
The control center of the cell which is responsible for cell division is ....................
nucleus
mitochondria
Golgi apparatus
cell membrane
All the following animals have bones in their bodies, except ....................
cats.
dogs.
birds.
insects.
The body of .................... is composed of one cell only.
a big tree
an elephant
bacteria
human
The artificial pacemaker is inserted into the .................... of human body.
legs
chest
neck
brain
The heat of the Sun reach the Earth by ....................
condensation.
radiation.
conduction.
convection.
If the mass of a piece of ice is 50 gm. then its mass when it melts is ....................
40 gm.
25 gm.
50 gm.
60 gm.
Stomach is composed of a group of different ....................
organs.
systems.
cells.
tissues.
The .................... energy is related to the motion of particles of matter.
light
potential
chemical
thermal
Materials .................... on heating.
do not change
contract
expand
compress
In a dangerous situation, your eyes send the information to the .................... to perform the suitable action.
heart
lungs
stomach
brain
Cardiac muscles are type of involuntary muscles which form the ....................
heart.
intestine.
stomach.
lungs.
The smallest tiny structures that build up all living organism's bodies are ....................
bricks.
cells.
systems.
organs.
Magnets can be made of ....................
glass.
copper.
iron.
plastic.
The .................... surrounds the cytoplasm and controls the substances that enter or leave the cell.
mitochondrion
cell membrane
nucleus
cell wall
The .................... is/ are responsible for cellular respiration.
mitochondria
plasma membrane
nucleus
cell wall
The .................... surrounds the plant cell from outside and gives it a definite shape.
nucleus
cell wall
cytoplasm
cell membrane
When you are stressed out, your .................... increase(s).
heartrate and blood pressure
bones' size
blood pressure only
heartrate only
The heartbeats in the .................... system accelerates when feeling afraid.
nervous
digestive
circulatory
urinary
Sweat is excreted by the ....................
heart
lungs
kidneys
skin
The generator produces .................... energy.
mechanical
chemical
light
electrical
On heating wax, it will ....................
get cooled
melt
freeze
turn into solid
Molecules of water are packed tightly together in its .................... state.
plasma
gaseous
liquid
solid
The liquid in a thermometer .................... as the temperature increases.
contracts
freezes
expands
disappears
.................... exist in both plant and animal cells.
Cell membrane
Cell wall
Large vacuole
Chloroplasts
All the following are magnetic materials, except ....................
iron
nickel
steel
copper
When water vapor .................... it turns into water drops.
melts
evaporates
condenses
freezes
Humans are .................... organisms.
unicellular
simple
prokaryote
multicellular
The .................... is used to open and close the electric circuit.
electric lamp
switch
wire
battery
The .................... is the building unit of the living organism's body.
blood
organ
cell
brick
When an electric current flows through a wire, a/an .................... field is produced around the wire.
gravitational
electric
thermal
magnetic
The generator changes the mechanical energy into .................... energy.
magnetic
thermal
electrical
light
Digestion process starts in the ....................
stomach
mouth
esophagus
large intestine
.................... is the process of changing liquid into solid by cooling.
Condensation
Evaporation
Freezing
Melting
Magnets attract some metals such as .................... and ....................
(a)
Milk is a matter in .................... state, while helium is a matter in .................... state.
(a)
Bundles of muscle tissues are organized to form the (a)
(a) is the building unit of living organisms' bodies.
The electric circuit contains (a) which is responsible for opening and closing the circuit.
(a) is the process in which matter changes from liquid state to solid state.
(a) materials slow down the heat transfer.
Magnets attract some metals such as (a)
The (a) state of matter has indefinite shape and volume.
The heat of the Sun can transfer through space to the Earth by (a)
The (a) is the component of the cell that allows water to enter and exit the cell.
Gold and copper are considered (a) materials as they do not attract to magnet.
Living organisms that their bodies consist of one cell called (a)
A process in which matter changes from liquid state to gas state is (a)
There are three states of matter solid, (a) and gas.
The system that is responsible for getting rid of wastes in humans is (a)
The (a) disease is one of the disorders of the endocrine system.
Electric circuits in houses are connected in (a) way.
(a) controls the substances that can enter or leave the cell.
(a) controls all the cell activities such as cell division.
(a) is a device that changes kinetic energy into electric energy.
Which term names a disorder of the endocrine system?
Temperature
Evaporation
Insulator
Diabetes
A material in which electricity does not flow easily is called a(n) (a) .
The measure of the average kinetic energy of particles in a substance is (a) .
The change of matter from liquid to gas by heating is called (a) .
In case of (a) , no heat flows because two objects have the same temperature.
When the (a) muscle contracts, the lungs take in air.
The smallest building unit of matter is the (a) .
Copper and __________ will not be attracted to a magnet because they are __________ materials.
The outermost layer of a plant cell is the __________, while it is the __________ in an animal cell.
__________ is not attracted to a magnet.
Nickel
Steel
Iron
Copper
The main control center of the cell is the (a) .
Heat transfers from a __________ object to a __________ one.
In a (a) circuit, electric current passes through only one path.
A pacemaker helps patients who have irregular (a) .
In parallel circuits, the electric current can flow in only one branch.
True
Only with batteries
False
Only in metals
Water stored in dams is used to operate wind turbines.
Only with large dams
Only in deserts
False
True
Hot water molecules have more kinetic energy than cold water molecules.
True
False
Only in oceans
Only at boiling point
Copper and iron allow heat to travel freely through them.
Only iron does
Only copper does
False
True
The force of gravity between an object and Earth increases when the distance between them increases.
Only for heavy objects
False
Only in space
True
Electric devices in houses are connected mostly in series circuits.
Only lights are
Only small devices
False
True
Heart muscle is considered an involuntary muscle.
True
False
Only during sleep
Only in exercise
By decreasing temperature, the spaces between molecules of a substance decrease.
False
Only in solids
True
Only in gases
Thermal conductors are good conductors of heat.
True
Only when wet
Only at night
False
Cell biologists are scientists who study rocks.
Only minerals
False
True
Only fossils
Expansion and contraction of matter occur due to changes in temperature.
Only in liquids
False
Only in gases
True
Heat transfers between two objects that have the same temperature.
Only in liquids
Only in solids
False
True
Molecules of solids move faster than the molecules of liquids.
Only when heated
Only at 0°C
False
True
Absorption of food occurs in the small intestine.
Only in stomach
False
Only in large intestine
True
All systems in the human body work together.
True
False
Only during exercise
Only during rest
Heart muscle is from voluntary muscles.
False
True
Only in children
Only in athletes
Boiling point is the temperature at which liquid matter changes into gas.
False
True
Only in water
Only at sea level
Plastic is an example of a material that resists the transfer of thermal energy.
Only some plastics
True
Only when thick
False
Matter changes from one state to another by cooling or heating.
Only in laboratories
False
Only by pressure
True
Electrical energy is a form of matter.
Only in batteries
Only in wires
False
True
Cell organelles float in the cytoplasm.
Only in plants
False
Only in animals
True
When heartbeats increase, blood pressure decreases.
Only in stress
Only in sleep
False
True
When matter changes from one state to another, its mass does not change.
False
Only in gases
Only in solids
True
Each animal cell has a cell wall made of cellulose.
Only in bacteria
False
Only some animals
True
Lungs belong to which body system?
Respiratory system
Digestive system
Circulatory system
Nervous system
True or False: A human can consciously control the movement of blood through the body.
True
False
Only during exercise
Sometimes true
When a substance expands, what usually happens to its volume?
Its density increases
Its mass increases
Its volume decreases
Its volume increases
Plastic is produced mainly by what kind of changes to petroleum compounds?
Biological changes
Nuclear changes
Physical changes
Chemical changes
Household electric devices are usually connected in which type of circuit to share the same voltage?
Short circuits
Series circuits
Open circuits
Parallel circuits
Heat naturally transfers from which object to which?
Smaller to larger
Cooler to hotter
Darker to lighter
Hotter to cooler
In a series circuit, how many paths are there for electric current to flow?
Zero paths
Many paths
Two paths
One path
