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WorksheetsIX CLAS SCIENCE DAY QUIZ
Total questions: 20
Worksheet time: 12mins
Milk is what type of matter
Mixture
Homogeneous solution
Colloidal
Pure substance
The smell of the perfume spreads in the room due to the process of
Sublimation
Evaporation
Diffusion
Fusion
The boiling point of a pure water is
273 k
300k
343 k
373 k
Dry ice is
Water in solid state
Carbon dioxide in liquid state
Carbon dioxide in solid state
Water in gaseous state
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
Diffusion
Transpiration
Evaporation
Osmosis
Covert 25°C to Kelvin scale
273k
300k
289k
298k
What is the chemical symbol for the element mercury?
Hg
Merc
MeC
MY
How many atoms are there is Na2CO3
4
5
7
6
The central region of an atom where its neutrons and protons are is called it's __________ .
nucleus
electron cloud
core
center
All matter is made of what
energy
atoms
electrons
compounds
The force that opposes motion between two surfaces in contact with each other.
Inertia
Friction
Momentum
Gravity
An object that has kinetic energy must be
In motion
At rest
Lifted from the Earth's surface
None of the above
What are the 3 particles that make-up the atom?
Protons, Neutrons, and Isotopes
Neutrons, Isotopes, and Electrons
Positives, Negatives, and Electrons
Protons, Neutrons, and Electrons
What is the main cause of seasons on the Earth?
The tilt of the Earth's axis in relation to the sun
The distance between the Earth and the sun
Changes in the amount of energy coming from the sun
The speed that the Earth rotates around the sun
Oil, natural gas and coal are examples of
Fossil fuels
Renewable resources
Biofuels
Geothermal resources
WHAT IS THE SYMBOL OF SODIUM
S
N
na
Na
What is the molecular mass of water
16
10
18
17
Which metal foil is used for Rutherford scattering
silver
gold
copper
aluminum
