Science-7 Module 3 Directions: Read the paragraph and identify the correct words that fit in the given sentences in the box below
box:
constant
completely
solid
heterogenous
boiling point
different
distilled water
homogenous
melting
pure substance
melting point
liquid
mixture
Paragraph:
Pure substances are (1)_____ in appearance. During boiling, the temperature of a (2)_____ changes at the start then it becomes (3)_____. During melting a substance melts (4)_____ within a short time. To determine a (5)_____ sample if it is a pure substance, you should test it using its boiling point; while if its a (6)_____ sample, its melting point is the best way to test.
In Enrichment A, the liquid A is (7)_____ since it has fixed boiling point while the water with salt is a mixture because it has a varying melting point.
nonsense=report
box:
constant
completely
solid
heterogenous
boiling point
different
distilled water
homogenous
melting
pure substance
melting point
liquid
mixture
Paragraph:
Pure substances are (1)_____ in appearance. During boiling, the temperature of a (2)_____ changes at the start then it becomes (3)_____. During melting a substance melts (4)_____ within a short time. To determine a (5)_____ sample if it is a pure substance, you should test it using its boiling point; while if its a (6)_____ sample, its melting point is the best way to test.
In Enrichment A, the liquid A is (7)_____ since it has fixed boiling point while the water with salt is a mixture because it has a varying melting point.
nonsense=report
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