Where, What and Why? All About Rocks!...Old Harry Rocks are chalky rock formations shaped over time...
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www.rubytuesdaybooks.com/scienceKS2 © Where, What and Why? All About Rocks! Earth is completely covered with a thick layer of rock called the crust. We can’t always see the rock because it is under buildings, roads, grass and soil. The land, mountains and rocks on Earth have changed over billions of years due to weathering and erosion and because of the movements of Earth’s tectonic plates. 1 Old Harry Rocks in Dorset, England Look at this birds-eye view of Old Harry Rocks. Can you see where the waves cut into the cliff? What do you think Old Harry Rocks will look like in 200 years? Why? Old Harry Rocks are chalky rock formations shaped over time by waves crashing into them and weathering the cliffs away. Chalk is a sedimentary rock mostly formed from the skeletons of tiny dead sea creatures. It is soft, white and crumbly.
Transcript of Where, What and Why? All About Rocks!...Old Harry Rocks are chalky rock formations shaped over time...
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Where, What and Why? All About Rocks!
Earth is completely covered with a thick layer of rock called the crust. We can’t always see the rock because it is under buildings, roads, grass and soil.
The land, mountains and rocks on Earth have changed over billions of years due to weathering and erosion and because of the movements of Earth’s tectonic plates.
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Old Harry Rocks in Dorset, England
Look at this birds-eye view of Old Harry Rocks. Can you see where the waves cut into the cliff?
What do you think Old Harry Rocks will look like in 200 years? Why?
Old Harry Rocks are chalky rock formations shaped over time by waves crashing into them and weathering the cliffs away.
Chalk is a sedimentary rock mostly formed from the skeletons of tiny dead sea creatures. It is soft, white and crumbly.
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The following rock formations feature in our book Science Essentials: Let’s Investigate Rocks.
Look at the shape, colour and patterns of the rocks. How do you think the rocks might have formed?
Could the weather or sea have helped shape their formations?
Let’s Investigate Famous Rocks
Sandstone cliffs in Devon
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The Grand Canyon in Arizona, USA
The Old Man of Hoy in Scotland
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Now take a look inside Let’s Investigate Rocks to find out more about the rocks.
Did your ideas and observations match what actually happened?
Half Dome Rock in California, USA
Giants Causeway in Northern Ireland
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Throughout our book Let’s Investigate Rocks you will learn all about different types of rocks, how they were formed and their properties.
Take a look at the rocks below. Use the Rock Word Bank (on the next page) and your own adjectives to describe these rocks and their features.
Annotate the rocks as a spider diagram.
Describe These Rocks!
Banded ironstone Chalk
LabradoriteAmethyst
Snowflake obsidian Diorite
Jaspilite
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Rough/smoothDull/shinyBumpy/jaggedPolishedSingle coloured Multicoloured
Crystalline (has crystals in it)GrainyCrumblySandyStriped/spottyShimmery
TranslucentTransparent FlatPitted (tiny holes all over it)Rounded
Rock Word Bank
