Classifying Objects

Q.

Is the human body transparent/translucent/opaque?

1. Transparent.

2. Translucent

3. Opaque.

4. Depend on the country the human is born in.

Q. Objects that partially allow light to pass through them are called ___

1. Transparent
2. Translucent
3. Opaque
4. Luminous

Q.

Fire fly is a living luminous object.

1. True

2. False

Q.

An unlit candle is a luminous body.

1. False

2. True

Q.

Non luminous object do not emit any light of their own. How is it still possible that we are able to see them

Q. An object, when placed in the path of light, blocks it completely. This means that the object is:

1. Luminous
2. Transparent
3. Translucent
4. Opaque

Q. Which of the following is a living luminous object?

1. Sun
2. Moon
3. All plants
4. Fire fly

Q.

How we are able to see through a transparent medium?

Q. Read the following sentences carefully and pick the incorrect statement.

1. An object that gives out its own light is known as a luminous object.
2. A luminous object can be seen because the light it gives out enters our eyes.
3. None of the above.
4. An object that does not give out its own light is known as a non-luminous object.

Q. Match the objects given below as transparent, translucent and opaque.

Q. Is light opaque?

Q. What do we call a body that shines on its own?

Q.

Which of the following object is NOT transparent?

1. A thick colored glass window

2. Vacuum

3. Water

4. Air

Q. Choose luminous objects among the following:

A. Table Lamp

B. Wood

C. Painting


D. Torch

Q. The objects that emit light on their own are called?

1. Luminous
2. Opaque
3. Transparent
4. Translucent

Q.

You will need a piece of clear glass, a steel plate, a piece of thick paper, and a few drops of oil.

Hold up the clear glass and try to look at a lighted torch through it. You can see the light from the bulb through the glass because it lets the light through. It is transparent. What happens when you try to look at the torch through the steel plate? You cannot see the light because the steel plate does not let the light through. It is opaque.

What happens when you use the paper? Many types of paper will allow some light through. They are translucent. If your paper is opaque, rub a few drops of oil on it and check again.

In this list of items, circle the ones that are transparent and underline those that are opaque.

glass tumbler, steel plate, aluminum foil, soap, and plasticine.

Is a mirror transparent, translucent, or opaque?

Q.

An object that emits its own light is known as _____.

1. opaque object

2. luminous object

3. transparent object

4. translucent object

Q.

A window consists of three sections I, II and III as shown below.

Classify them as transparent, translucent and opaque.

1. I - Transparent, II - Opaque, III - Translucent

2. I - Opaque, II - Transparent, III - Translucent

3. I - Opaque, II - Translucent, III - Transparent

4. I - Transparent, II - Translucent, III - Opaque

Q.

Objects that partially allow light to pass through them are called___

Q.

Choose the odd one out based on whether the object is transparent or not.

1. Water

2. Air
   

3. Glass
   

4. Wood
   
   

Q.

Give one word

An object that does not let light to pass through it.

Q. The objects that emit their own light are called ___

1. Translucent
2. Luminous
3. Opaque
4. Transparent

Q.

Which of the following is a luminous object?

1. Sun

2. Earth

3. Paper

4. Chair

Q.

Choose the most appropriate pair.

1. Opaque - Concrete wall

2. Translucent - Rock

3. Transparent - Human Body

4. Luminous - Fog

Q. Choose the most appropriate pair.

1. Transparent - Human Body
2. Transparent - Trees
3. Translucent - Smoke
4. Luminous - Fog

Q. Frosted glass is an example of a/an _________ object.

Q. Which of the following is opaque?

1. Water
2. Glass
3. Mirror
4. Butter paper