Science Grade 7 Exercise | Baamboozle - Baamboozle

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Matter

Study Slideshow

Matter is divided into 4 states, they are ....

Solid, liquid, gas and plasma

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Mixture divided into 2 categories, they are .... and ....

homogeneous and heterogeneous mixture

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Bleach is an example of (Acid/Base/Neutral?)

Base

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Changing state of matter from solid to liquid is called?

Melting

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Changing state of matter from liquid to gas is called?

Vaporization

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Changing state of matter from gas to liquid is called?

condensation

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Changing state of matter from liquid to solid is called?

freezing

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Periodic table shows all known .....(element/compound/mixtures?)

Element

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Mostly solid, ductile and malleabe are the properties of ......

Metal

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Semiconductor, brittle and have metallic cluster are the properties of .....

Metalloid

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Dull, brittle and insulator are the properties of ......

Nonmetals

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Give 3 example of homogeneous mixture

salt water, sugar water, syrup, etc

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Give 3 example of heterogeneous mixture

milk, river water, fog, smog, etc

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Baking soda (NaHCO₃) is an example of .... (element/compound/mixture?)

Compound

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Mercury is liquid. Mercury is an example of ...

Metal

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State 3 properties of acid. taste? pH? example?

taste sour. pH less than 7. example : Orange, lemon, pineapple

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