Everyday Science Mcqs

Who invented the first air conditioner?

a) W. G. GRACE

b) Willis H. Carrier

c) Albert Einstein

d) Robert Hook (more…)

Which instrument converts mechanical energy to electrical energy?

a) Electric motor

b) Generator

c) Iron

d) Oven (more…)

What does the term solstice mean?

a) longest day of the year

b) shortest day of the year

c) equal day and night

d) both a and b  (more…)

What does equinox mean in science?

a) longest day of the year

b) shortest day of the year

c) equal day and night

d) none of these (more…)