How do opaque materials differ from transparent materials?

• Most light is transmitted through transparent materials whereas opaque materials mostly reflect and absorb light.

• Light is reflected from opaque materials and give rise to color. Transparent materials are largely colorless.

• Light can pass through transparent materials while opaque materials block the light and form shadows.

• All of the above

What color of shirt is the most ideal to wear during summer?

• white

• black

• blue

• maroon

Which of the following statements is NOT true?

• The more light an object absorbs the more heat is also absorbed.

• Black blocks all light.

• Transparent materials block most light.

• Blackboard is an opaque material.

Objects that allow light to pass through them are ______________.

• made from glass

• translucent

• transparent

• opaque

Which is true about white-colored objects?

• It absorbs all the light.

• It scatters all the light.

• It reflects all the light.

• None of the above

Objects that reflect some light and transmit some are called ____________.

• colored

• opaque

• translucent

• transparent

Which of the following materials is an electrical conductor?

• copper

• silver-colored plastic

• cork

• rubber

Which of the following is an electrical insulator?

• aluminum

• gold

• silver

• rubber

Why is electrical wiring usually covered with a layer of plastic?

• to make it look pretty

• to help electricity flow along the wire

• to make it safe

• plastic is stronger than all other materials

It refers to the main source of light energy.

• light

• sun

• moon

• earth