Properties Of Light: 9th Grade Science! Quiz

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Properties Of Light: 9th Grade Science! Quiz

Light is a form of energy. Light travels from the Sun to the Earth. _ and __________________ are other examples of light on Earth. Often sources of light give off heat.

Usually, a source of light gives off white light. White light is actually made up of ____________ colors. These colors range from red to violet.

All light is made of waves. A __________________________________ is the distance from the top of one wave to the top of the next wave.

High-energy waves have _____ wavelengths and low-energy waves have _ ones.

______________________ are places where light does not fall. They form when light is blocked. The light strikes an object but can't pass through it. It then has the shape of whatever is blocking the light.

Light travels in straight lines or _. Shadows prove this. Light spreads out from a source in all directions, however it can't __.

Shadow size depends on where the light source is. The closer an object is to a light source, the ________________ the shadow.

Most of the light that reaches your eyes is _ light. Reflection occurs when light strikes a surface and ______ off.

Light changes direction when it is reflected off a surface. The light source going towards a surface has oncoming rays. These rays strike the surface such as a mirror at an _____ angle. Outgoing rays are those reflected by the surface. They are reflected at an angle called an angle.

The Law of Reflection says that with reflection, the __ angle is equal to the _ angle.

Refraction is the _ of light as it ____ from one material to another.

Most materials the light falling on them but some materials allow light to pass through them. Refraction happens when light passes through glass, water, light plastic, and other _____ objects.

Light travels at different speeds in different materials. The thicker a material, the _______________ light travels through it. As light travels more slowly it bends more.

Lenses are tools that refract light. They are used to gather light rays or to spread them apart. There are two kinds of lenses: __ and _.

Convex lenses bulge in the middle. A convex lens brings rays of light together. A concave lens curves inward. A concave lens spreads light rays apart.

When light reaches your eye it first passs through a thin, clear tissue overing each eye called the ________________________.

Then light passes through an opening called the _____________________. It's the black spot in the center of your eye.

After light passes through your pupil, it travels through your lenses. Each lens focuses light on the back of your eye. A tissue called the __________________ covers the back of your eye.

The images focused on your retina are actually upside down. Your retinas change the image into signals that travel along your _____________________________ to your brain. Your brain sees the picture rightside up.

Materials that block like wood, metal and people are all opaque. Transparent materials let light pass through them like glass and water. Translucent materials reflect some light and let the rest pass through. Cloudy looking plastics are translucent.

Tick all the TRUE statements.

Which one describes WAVELENGTH?

Which is the definition of light?

Humans can see all wavelengths of light.

Which is TRUE?

The colors of the rainbow are red, orange, yellow, green, blue, ___________, and violet.

What color will a BLUE dress look under a RED light?

What color will a green dress look under blue lights?

Which one will REFLECT ALL the light that hits it?

Properties Of Light: 9th Grade Science! Quiz

Light is a form of energy. Light travels from the Sun to the Earth. _______________________ and ________________________________________ are other examples of light on Earth. Often sources of light give off heat.

Usually, a source of light gives off white light. White light is actually made up of ____________ colors. These colors range from red to violet.

All light is made of waves. A __________________________________ is the distance from the top of one wave to the top of the next wave.

High-energy waves have ___________________ wavelengths and low-energy waves have _______________ ones.

______________________ are places where light does not fall. They form when light is blocked. The light strikes an object but can't pass through it. It then has the shape of whatever is blocking the light.

Light travels in straight lines or ___________________. Shadows prove this. Light spreads out from a source in all directions, however it can't ____________________.

Shadow size depends on where the light source is. The closer an object is to a light source, the ________________ the shadow.

Most of the light that reaches your eyes is _____________________ light. Reflection occurs when light strikes a surface and __________________________ off.

The Law of Reflection says that with reflection, the ______________________ angle is equal to the _____________________ angle.

Refraction is the _________________ of light as it ____________________ from one material to another.

Most materials ____________________ the light falling on them but some materials allow light to pass through them. Refraction happens when light passes through glass, water, light plastic, and other _________________________ objects.

Light travels at different speeds in different materials. The thicker a material, the _______________ light travels through it. As light travels more slowly it bends more.

Lenses are tools that refract light. They are used to gather light rays or to spread them apart. There are two kinds of lenses: ________________________ and _______________________.

Convex lenses bulge in the middle. A convex lens brings rays of light together. A concave lens curves inward. A concave lens spreads light rays apart.

When light reaches your eye it first passs through a thin, clear tissue overing each eye called the ________________________.

Then light passes through an opening called the _____________________. It's the black spot in the center of your eye.

After light passes through your pupil, it travels through your lenses. Each lens focuses light on the back of your eye. A tissue called the __________________ covers the back of your eye.

The images focused on your retina are actually upside down. Your retinas change the image into signals that travel along your _____________________________ to your brain. Your brain sees the picture rightside up.

Materials that block like wood, metal and people are all opaque. Transparent materials let light pass through them like glass and water. Translucent materials reflect some light and let the rest pass through. Cloudy looking plastics are translucent.

Tick all the TRUE statements.

Which one describes WAVELENGTH?

Which is the definition of light?

Humans can see all wavelengths of light.

Which is TRUE?

The colors of the rainbow are red, orange, yellow, green, blue, ___________, and violet.

What color will a BLUE dress look under a RED light?

What color will a green dress look under blue lights?

Which one will REFLECT ALL the light that hits it?

Light is a form of energy. Light travels from the Sun to the Earth. _ and __________________ are other examples of light on Earth. Often sources of light give off heat.

High-energy waves have _____ wavelengths and low-energy waves have _ ones.

Light travels in straight lines or _. Shadows prove this. Light spreads out from a source in all directions, however it can't __.

Most of the light that reaches your eyes is _ light. Reflection occurs when light strikes a surface and ______ off.

The Law of Reflection says that with reflection, the __ angle is equal to the _ angle.

Refraction is the _ of light as it ____ from one material to another.

Most materials the light falling on them but some materials allow light to pass through them. Refraction happens when light passes through glass, water, light plastic, and other _____ objects.

Lenses are tools that refract light. They are used to gather light rays or to spread them apart. There are two kinds of lenses: __ and _.