Quarter 3 Reviewer

In the visible spectrum, which color has the shortest wavelength?

• red

• violet

• orange

• blue

Which of these colors of light has the highest frequency?

• orange

• green

• blue

• yellow

You are drying clothes under the sun. What is the direction of the heat transfer?

• sun to sun

• sun to clothes

• clothes to clothes

• clothes to sun

How can a material become positively charged?

• by losing protons                             

• by gaining protons

       

• by losing electrons                          

• by gaining electrons

Caliper claims that the house where he lives is constantly moving. Which of the following points of references do you think will BEST support his claim?

• car

• house

• sun

• tree

These are quantities that have magnitude and direction?

• force

• scalar

• units

• vector

Which is NOT a scalar quantity?

• distance

• time

• acceleration

• mass

This refers to speed in a given direction

• distance

• speed

• acceleration

• velocity

Which sound has a frequency between 20-20 000 Hertz?

• infrasound

• ultrasound

• audible

• megasound

Which wave needs a medium for transmission?

• mechanical

• electromagnetic

• light

• X-ray