latihan Science 3

What are the nergies produced from the sun ?

• Kinetic and magnetic

• Light and heat

• Hydro and biomass

• Chemical and sound

What do sound waves travel slowest through ?

• Air

• Water

• Solid

• Metal

What is sound caused by ?

• Molecules

• Vibrations

• Space

• Light

High amplitude is quiet or lound ?

• Quiet

• Lound

Where are the three smallest bones in your body foud ?

• Outer ear

• Inner ear

• Middle ear

• Eye

What part of your body sends messages from your ears to your brain ?

• Optic nerve

• Ear canal

• Auditory nerve

• Semi-circular canal

How does the light travel ?

• Zigzag line

• Straight line

• Circle

• Refraction line

Which color absorbs all light ?

• White

• Orange

• Black

• Green

What is the name of objects that allow all light to pass through them ?

• Transparent objects

• Traslucent object

• Opaque object

• Smooth surface

What does the optic nerve do ?

• Transmit impulses from retina to brain

• Receives  light and sends it to brain

• Helps the eyes focus

• Trasmits light rays to retina