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WorksheetsClass 4 Ls. 11 Our Universe
Total questions: 10
Worksheet time: 5mins
The sun is a _________
planet
satellite
star
huge rock
Which of the following is not a planet?
Venus
moon
Neptune
Mars
The innermost layer of the Earth is known as the ________.
axis
core
crust
mantle
Which of the following is no longer considered to be a planet?
Mars
Mercury
Pluto
Earth
Which of the following is used to gather information about heavenly bodies?
Telescope
Microscope
Windvane
Thermometer
The moon is a ____________ satellite.
artificial
natural
___________ was the first man-made satellite to be launched into space by Russia in October 1957.
Sputnik 1
Aryabhatta
The surface of the moon is ______________
uneven
has mountains
has deep holes called craters
All of the above
A scientist who studies about stars, planets and other heavenly bodies is called an __________.
biologist
astronomer.
geologist
____________ is the full form of IAU
Internal Astronomical Union
Indian Astronomical Unit
International Astronomical Union
