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WorksheetsRocks and minerals
Total questions: 10
Worksheet time: 5mins
What are rocks made of?
water, ice and sand
dirt and sand
a mixture of minerals and metals
iron
How did rocks form initially?
they formed by cooling of magma
they came from space
the wind blew them to Earth
they came from the Sun
What are the main kinds of rocks?
meteors, ore and igneous
sedimentary, igneous and metamorphic
magma, lava and ice
pumice , quartz and pyrite
Igneous rocks form by
Sediments that get squished together
Erosion
melting of meteors
cooling of lava
What kind of rocks can have big crystals
igneous
sedimentary
metamorphic
What kind of rocks has well formed layers?
sedimentary
metamorphic
igneous
What kind of rocks can have fossils?
igneous
sedimentary
metamorphic
Metamorphic rocks are created when
igneous rocks break down under heat and pressure
lava melts and then freezes
the river carries silt that sticks together
the volcano erupts and lava cools down quickly
Sedimentary rocks are formed when
igneous and metamorphic rock stick together
wind blows sand in the desert and forms layers
silt and other small pieces of rock set on the bottom of bodies of water and stick together under pressure
What do humans use rocks and minerals for?
Making buildings, use in technology and for decoration
Use for food
Use it as fuel and as a raw material in producing other materials
Use to make clothes
