Worksheetsscience quiz
Total questions: 20
Worksheet time: 3mins
what is a photon?
a bundle of air
a bundle of electromagnetic energy
a bundle of potential energy
a bundle of sand having friction
what does this sign in the circuit mean?
a motor
a buzzer
a battery
the end of a wire
light travels in a ...
straight line
wavy line
circle
square
Which statement explains why a pencil looks broken when placed in a cup of water?
Light is refracted as it moves from air to water
Light is reflected as it moves form air to water.
Light is absorbed as it moves from air to water.
Light is destroyed as it moves from air to water.
A frosted window would be....
opaque
transparent
transluscent
transmission
A circuit is a path taken by a current. A path with no breaks is called a ...
closed circuit
capacitor
circuit breaker
variable resistor
If there is a break in the path the current follows, the circuit is incomplete. A break in the path is called an...
Load Rejection
oarael Circuit
Open circuit
Electromotive Force
Materials that do not allow electrical charges to pass through it easily are called ...
conductors
good conductors
opaques
insulators
Lightning is caused by the build-up of electrical charges in a cloud, also known as static electricity.
true
false
Parallel circuits have only one path.
true
false
The current always travels from the negative electrode to the positive electrode.
True
false
the Mirtral valve is also known as...
pulmonary valve
aortic valve
bicuspid valve
tricuspid valve
which valve is located between the left atrium and the left ventricle?
tricuspid valve
mitral valve
pulmonary valve
aortic valve
what is the valve that does not let the blood back flow from the aorta?
aortic valve
muscular wall
tricuspid valve
mitral valve
what type of blood does the pulmonary vein carry?
de oxygenated blood
infectious blood
poisoned blood
oxygenated blood
which vena cava is located at the bottom of the heart?
superior vena cava
inferior vena cava
the heart is divided into...
4 hearts
4 ventricles
4 blood vessels and muscles
4 chambers
what is the name of the muscular wall that separates the right and left sides of the heart?
septum
right atrium
left atrium
ventricle
what is the average life span of a red blood cell?
82 days
90 days
120 days
6 months
what is the red blood cells reproduction process called?
rebnopoises
rubellis
franopoises
erythropoises
