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To separate a mixture of salt and water which way of separation we use?
Evaporation
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A 100 kg man traveled to America and told the dr his weight is 220 lb (pounds), WHY?
1 KG= 2.2 lb
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To separate a mixture of sand an water we use ----------------.
Filtration
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How do we measure mass?
triple beam scale
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To separate a mixture of iron and wood we use which way of separation?
Magnetic separation
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------------------ is the amount of matter in an object.
Mass
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OXYGEN (O2) is a compound or element?
ELEMENT
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A man's weight on earth is 50 kg ......... On moon his weight will be the same. (T or F)
FALSE
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Your weight on Earth is larger or on Jupiter? and WHY?
Jupiter , the larger the planet the larger it's force of gravity on objects
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What is Matter?
Anything that has mass and takes up space
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COLOR is a ------------------- property of matter.
physical
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An Astronaut with a mass of 80 lb. ... went to Jupiter with larger force of gravity, his Mass on Jupiter is
80 lb. (Mass of Matter is constant)
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A bowl of salad is a (homogenous/heterogenous) Mixture?
Heterogenous
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The amount of space that matter occupies
Volume
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To measure any matter we measure it's ................ and ...............
Mass and Volume
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WATER (H2O) is a compound or element?
COMPOUND
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------------------- is the force of gravity on Matter.
Weight
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A man's mass on earth is 50 kg
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The ability of iron to rust is a ------------------- property.
CHEMICAL
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What is the difference between a molecule and atom?
A molecule is more than one atom bonded together
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