S7U1L1. Luminous and non-luminous objects

Which of the following object is the luminous object?

• a cell phone

• a computer

• a torch

• a glass

Which of the following object is the non-luminous object?

• a stone

• the sun

• a fire

• a lit candle

What does it belong to?

• luminous object

• a thing in the sky

• non-luminous object

• nothing

What does it belong to?

• a thing in the universe

• luminous object

• non-luminous object

• all of the above are wrong

What CANNOT luminous objects do?

• show light

• reflect light

• give off

• emit light

Which of the following thing enables people to see the things around?

• music

• heat

• light

• cloud

Find the correct statement.

• Glowing fireflies are luminous objects.

• Glowing fireflies are non-luminous objects.

• Grasshoppers are luminous objects.

• Luminous objects reflect light.