Science Class 5th
261. _______ is responsible for falling of objects on earth:
A) Friction
B) Pressure
C) Density
D) Gravity
262. Devices that make our work easier are called:
A) Androids
B) Machines
C) Wheel
D) None of the above
263. _______ is a force that opposes motion.
A) Gravity
B) Friction
C) Air Resistance
D) Attractive Forces
264. There will be no _____ if the forces are balanced.
A) Motion
B) Wear and Tear
C) Attraction
D) Breakage
265. Light is a form of energy.
A) True
B) False
266. _______ is the largest source of natural light.
A) Light Bulbs
B) Moon
C) Sun
D) Comets
267. Stars reflect light.
A) True
B) False
268. Moon is a luminous object.
A) True
B) False
269. Objects that _________ are called Non Luminous Objects.
A) Emit Light
B) Reflect Light
C) Both A and B
D) None of the above
270. We hear the sound the thunder after seeing the flashes of lightening, because:
A) The Speed of light is grater than speed of sound.
B) The sight of lighting is far from us.
C) Because flashes or lightening have no relation to the sound of thunder
D) None of the above
271. If we cannot see through the object, the object is:
A) Transparent
B) Inverted
C) Opaque
D) Blurred
272. Transparent Glass:
A) We Can Partially See Through It
B) We Get A Blurred Image In It
C) We Cannot See Through It
D) We Can See Through It
273. When the Moon comes between the sun and the Earth.
A) Solar Eclipse
B) Lunar Eclipse
C) Apocalypse
D) Full Moon
274. When Earth passes directly between the moon and sun:
A) Solar Eclipse
B) Lunar Eclipse
C) Apocalypse
D) Full Moon
275. Observing a Solar Eclipse without any protection can cause:
A) Burns
B) Rashes
C) Blindness
D) Nothing
276. The moon is very thin at:
A) First Day of Every Month
B) 7th Day of Every Month
C) 15th Day of Every Month
D) Last Day of Every Month
277. Moon reflects the light of:
A) Earth
B) Other Planets
C) Its own light
D) Sun
278. Any object that orbits a planet is called:
A) Moon
B) Comet
C) Satellite
D) Star
279. The New moon is:
A) Dark and Invisible
B) Thin Crescent
C) Half and Bright
D) Full and Bright
280. When we see only a silver of the moon surface:
A) Full Moon
B) Crescent Moon
C) Quarter Moon
D) Waning Moon