Energy Review

​What is Energy?

Energy- it is the capacity to do work.

Multiple Choice

 It is the energy stored in objects.

• Potential energy

• Kinetic energy

Multiple Choice

It is the energy of movement.

• Potential energy

• Kinetic energy

Multiple Choice

It is a person or object that transfers energy.

• Energy source

• Energy receiver

Multiple Choice

 It is a person or object that receives energy.

• Energy source

• Energy receiver

Potencial and Kinetic Energy

Examples:

When the biker is going up to the hill it has: Kinetic Energy

When the biker is about to go down to the hill it has: Potential Energy

When the biker is going down the hill it has: Kinetic Energy

Multiple Choice

When the biker is going up the hill it has: 

• Kinetic energy

• Potential energy

Multiple Choice

When the biker is about to go down the hill it has:

• Kinetic energy

• Potential energy

Multiple Choice

When the biker is going down the hill it has:

• Kinetic energy

• Potential energy

​Energy Source and Energy Receiver

Multiple Choice

 The Sun is the _______ of energy.

• source

• receiver

Multiple Choice

The plant is the _______ of the energy.

• source

• receiver

​Ligth

Multiple Choice

 Is a form of radiation and is energy we can see.

• Light

• Transparent materials

• Opaque materials

Multiple Choice

Materials that light can go straight through.

• Light

• Transparent materials

• Translucent materials

• Opaque materials

Multiple Choice

Materials that let some light pass  through them.

• Light

• Translucent materials

• Opaque materials

Multiple Choice

Materials that completely block the passage of light to any objects that are behind them.

• Transparent materials

• Translucent materials

• Opaque materials

Multiple Choice

Visible solar light is white.

• True

• False

Multiple Choice

White light is the product of a mixture of light of one color.

• True

• False

Multiple Choice

The color spectrum is visible when blue light breaks down into the colors it consists of.

• True

• False

Multiple Choice

We can see the spectrum of colors that make up the white light in a rainbow.

• True

• False

Fill in the Blanks

Multiple Choice

It is the colorful part of the eye.

• Pupil

• Iris

• Lens

• Retina

Multiple Choice

It refracts the light that comes into the eye.

• Pupil

• Iris

• Lens

• Retina

Multiple Choice

It has nerve endings that send the image to the brain.

• Pupil

• Iris

• Lens

• Retina

​Parts of the Eye:

​Heat Transfer:

Multiple Choice

Energy that is transferred between materials that have different temperatures.

• Radiation

• Convection

• Conduction

• Heat

Multiple Choice

 Is the process of heat transferred by direct contact.

• Heat

• Convection

• Conduction

• Radiation

Multiple Choice

Is heat transferred by means of waves.

• Convection

• Radiation

• Conduction

• Heat

Multiple Choice

 Heat is transferred by the movement of liquids or gasses at different temperatures.

• Convection

• Conduction

• Heat

• Radiation

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

​Skin

Multiple Choice

It is the outer covering of our bodies.

• Epidermis

• Dermis

• Skin

Multiple Choice

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

Multiple Choice

It is the skin's innermost layer.  It possesses structures that allow the skin to react to environment stimuli.

• Skin

• Dermis

• Epidermis