P2 Science · Chapter 18brightbit.net/worksheets
Rocks and Their Properties
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
Rocks that are formed from cooled volcanic lava are called:
(a) Igneous rocks(b) Sedimentary rocks(c) Metamorphic rocks(d) Fossil rocks
- 2.
Sedimentary rocks are formed by:
(a) Layers of sediment (sand, mud) compressing over millions of years(b) Volcanic eruptions(c) Heat and pressure deep underground(d) Melting and re-cooling
- 3.
Fossils are most commonly found in:
(a) Sedimentary rocks(b) Igneous rocks(c) Metamorphic rocks(d) Volcanic rocks
- 4.
Which property helps identify different rocks?
(a) Colour, texture, hardness and whether they contain fossils(b) Size only(c) Weight only(d) Whether they float in water
- 5.
The Mohs hardness scale is used to measure:
(a) How hard or scratch-resistant a mineral is(b) How heavy a rock is(c) How old a rock is(d) How many fossils are in a rock
- 6.
Marble is formed when limestone is subjected to intense heat and pressure. This makes marble a:
(a) Metamorphic rock(b) Sedimentary rock(c) Igneous rock(d) Fossil rock
- 7.
Limestone is used to make cement because:
(a) It reacts with other materials when heated to form a binding substance(b) It is the hardest rock(c) It contains fossils(d) It absorbs water
- 8.
Weathering of rocks refers to:
(a) The breaking down of rocks into smaller pieces by weather, water and living things(b) Rock formation(c) Rocks becoming heavier over time(d) Rocks absorbing water permanently
- 9.
Which of these is a use of granite rock?
(a) Making kitchen countertops and building material(b) Making medicines(c) Making rubber tyres(d) Producing electricity
- 10.
Coal is classified as a sedimentary rock and is used as a fuel because:
(a) It formed from compressed plant material over millions of years and stores chemical energy(b) It is very hard(c) It is formed from lava(d) It contains metal ores
Answer key — P2 Science: Rocks and Their Properties
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- 1.(a) Igneous rocks
- 2.(a) Layers of sediment (sand, mud) compressing over millions of years
- 3.(a) Sedimentary rocks
- 4.(a) Colour, texture, hardness and whether they contain fossils
- 5.(a) How hard or scratch-resistant a mineral is
- 6.(a) Metamorphic rock
- 7.(a) It reacts with other materials when heated to form a binding substance
- 8.(a) The breaking down of rocks into smaller pieces by weather, water and living things
- 9.(a) Making kitchen countertops and building material
- 10.(a) It formed from compressed plant material over millions of years and stores chemical energy
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