science quiz

which of these instruments would you use to measure the mass of an object?

• balance

• measuring cylinder

• stop watch

• tape measure

the standard units used for measuring are called

• SI units

• S units

• SO units

• SOS units

A ____ measure is more accurate than a plastic band

• Tape

• rubber band

• thread

• scale

which of the following is not part of the circulatory system?

• arteries

• heart

• lungs

• veins

in the human eye the job of the iris is to

• change the shape of the lens

• control the amount of light entering the eye

• focus the light entering the eye

• send signals to the brain

in the human ear where is the ear drum

• in a canal near the ear flap

• in the brain

• in the semi circular canals

• on the surface of the skin

in the human skin the dead layer lies

• above the outer layer

• below the fatty layer

• below the inner layer

• between the inner layer and outer layer

which of the following is NOT a taste sensation of the tongue

• bitter

• salty

• spicy

• sweet

plant cell have cell wall and ____

• chloroplast

• red cells

• pollen grains

• white cells

Respiration means

• getting energy out of food

• getting rid of waste

• taking in nutrition

• reacting to something