Opaque, transparent and translucent | Science | Quizalize & Oak National Academy

Starter quiz

Which of these is a material?
- a cup
- hessian fabric ✓
- a leaf
What material is the see-through part of a window made from?
- wood
- glass ✓
- plastic
- metal
Which of these objects is made from a material that won't let light through?
- aluminium foil ✓
- glass window
- plastic cup
Materials that we can see through are good for making ...
- clothes.
- curtains.
- glasses lenses. ✓
Materials that don't let any light through are useful for making ...
- windows.
- walls. ✓
- light bulbs.
When we put materials into groups, which science skill are we using?
- researching
- testing
- classifying ✓

When we classify materials, what do we do?
- measure them
- count them
- sort them into groups ✓
Opaque materials ...
- let light pass through them.
- let some light pass through them.
- do not let light pass through them. ✓
Which of these objects is made from an opaque material?
- a window
- a bottle
- a saucepan ✓
Which of these statements about transparent materials is true?
- We can see objects clearly through transparent materials. ✓
- We can see objects through transparent materials but not clearly.
- We cannot see objects through transparent materials.
Which image shows an object made from a translucent material?
- tissue box
- plastic bag ✓
- the lenses of a pair of glasses
Can objects be seen through translucent materials?
- No, we cannot see through translucent materials.
- Yes, but we cannot see objects clearly through translucent materials. ✓
- Yes, we can see objects clearly through translucent materials.

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Materials can be compared and classified according to how much light can pass through them.
Opaque materials do not let light pass through them.
Transparent materials allow light through so objects can clearly be seen through them.
Translucent materials allow some light to pass through but are not completely see-through.

All materials that let light through them are transparent.

Explanation of the difference between materials that are transparent and those that are translucent.

Materials - A material is what an object is made from. An object can be made from more than one material.
Classify - To classify is to sort objects into groups.
Opaque - Light cannot pass through objects that are opaque.
Transparent - Transparent materials are completely see-through.
Translucent - Translucent materials allow some light to pass through but are not completely see-through.