WorksheetsChap 9 What is Energy?
Total questions: 54
Worksheet time: 13hrs 32mins
Force applied to a body to move it.
work
energy
potential energy
kinetic energy
It is the capacity to do work or produce a change.
work
energy
potential energy
kinetic energy
It is the energy stored in objects.
work
energy
potential energy
kinetic energy
It is the energy of movement.
work
energy
potential energy
kinetic energy
The apple in the table is ____.
potential energy
kinetic energy
The apple falling from the table is ______.
potential energy
kinetic energy
If the rock falls form the hill, it is ____,
potential energy
kinetic energy
If the rock is still, it is ____.
potential energy
kinetic energy
If the cyclist is still, he has _____.
potential energy
kinetic energy
If he is moving, he has ______.
potential energy
kinetic energy
If the yoyo is still at the top, it is ____.
potential energy
kinetic energy
If the yoyo is moving, it is ____.
potential energy
kinetic energy
If the boy throws the ball is ____.
potential energy
kinetic energy
The ball on the boy's hand is _____.
potential energy
kinetic energy
It is a person or object that transfers the energy.
energy source
energy receiver
It is a person or object that receives the energy.
energy source
energy receiver
The Sun is the (a) of energy.
The plant is the (b) of the energy.
The girl’s arms are the (a) of energy.
The ball is the (b) of the energy.
The electricity plug is the (a) of energy.
The TV is the (b) of the energy.
The boy’s legs are the (a) of energy.
The bicycle’s pedals are the (b) of the energy.
The microwave is the (a) of energy.
The food is the (b) of the energy.
The boy’s arms are the (a) of energy.
The ball is the (b) of the energy.
Sort the following into kinetic or potential energy.
A ball dropping through the air
A woman skating in the park.
Gas particles moving inside of a balloon.
A boy about to jump into a pool.
An arrow is pulled back on a bowstring
A book resting on a table 3.2 m high
Is a form of radiation and is enery we can see.
light
transparent materials
translucent materials
opaque materials
refracted light
Are materials that light can go straight through.
light
transparent materials
translucent materials
opaque materials
refracted light
Materials that let some ligth pass through them.
light
transparent materials
translucent materials
opaque materials
refracted light
Materials that completely block the passage of light to any objects that are behind them.
light
transparent materials
translucent materials
opaque materials
refracted light
It is light that changes direction.
light
transparent materials
translucent materials
opaque materials
refracted light
Light interacts with matter.
Visible solar light is (a) .
White light is the product of a mixture of light of (b) colors.
When colors is white light (c) they form a spectrum.
We can see the spectrum of colors that make up the white light in a (d) .
The color spectrum is visible when white light (e) down into the colors it consists of.
The color spectrum is visible when white light breaks down into the colors it consist of. When this happens we say that light is being refracted.
It is a round black colored opening located in the middle of the eye.
pupil
iris
lens
retina
It is the colorful part of the eye.
pupil
iris
lens
retina
It refracts the light that comes in to the eye.
pupil
iris
lens
retina
It has nerve endings that send the image to the brain.
pupil
iris
lens
retina
Complete
Classify the objects in the photos.
Identify the parts of the eye
Is a type of energy that is transferred between materials that have diferrent temperatures.
heat
conduction
convection
radiation
Is the process where heat is tranferred by direct contact.
heat
conduction
convection
radiation
Heat is transferred by the movement of liquids or gases at diferrent temperatures.
heat
conduction
convection
radiation
Is heat transfer by means of waves. This transfer happens from distance.
heat
conduction
convection
radiation
Match the following
direct contact
conduction
movement of liquids or gases
convection
remote waves
radiation
Fill the sapaces with the appropriate form of heat transfer
Organize these options into the right categories
It is the outer covering of our bodies. It's the main barrier between our internal organs and the enviroment.
skin
dermis
epidermis
It is the skin innermost layer. It possesses structures that allow the skin to react to enviroment stimuli.
skin
dermis
epidermis
It is the skin outermost layer. It contains melanin, a pigment that gives color and provides protection against the sun's rays.
skin
dermis
epidermis
It is produce when electrons move from one place to another.
electricity
circuit
conductive material
insulator material
It is when we create a circle of movement for electrons, it makes it possible for us to have electricty.
electricity
circuit
conductive material
insulator material
Are materials that allow electrons to move freely and easily.
electricity
circuit
conductive material
insulator material
Prevents electricity from escaping from the cable.
electricity
circuit
conductive material
insulator material
