WorksheetsScience-1 3rd Periodical Exam
Total questions: 20
Worksheet time: 5hrs 0mins
What is the principal source of energy?
Moon
Sky
Sun
Which of the following has an artificial source of light:
bonfire
sun
moon
Which of the following has a natural source of light?
lampshade
candle
stars
Which activity needs light?
reading
writing
sewing
all of the above
What is the major source of heat on earth?
moon
sun
star
fire
Which is a harmful effect of too much heat to humans?
sweating
warm feeling
dried clothes
sun burn
What should you wear if you will stay long under the sun?
eyeglasses
boots
wide-brimmed hat
bracelet
Which object can protect you from too much light?
sunglasses
water
jacket
lotion
You can produce heat by ________?
rubbing two stones together
reading books
drying leaves
staying under the sun
Which uses heat?
watering of plants
cooking
sweeping the floor
freezing
It does not allow light to pass through.
transparent
translucent
opaque
It allow SOME light to pass through.
Transparent
translucent
opaque
It allow light to pass through.
Transparent
tranlucent
Opaque
Which of the following is opaque?
clear glass
jalousy
wooden door
Which of the following is translucent?
bottled water
wax papper
cardboard
Which is transparent?
mirror
jalousy
thick book
Who invented the telephone?
Charles Babbage
Alexander Grahambell
Zyrwon Zaworkvski
Who invented the LIGHT BULB?
Steve Jobs
Thomas Edison
Benjamin Franklin
Who invented the computer?
Charles Babbage
Martin Cooper
Benjamin Franklin
What was Mark Zuckerberg invented?
Tweeter
Titktok
