WorksheetsReport Text 1
Total questions: 20
Worksheet time: 40mins
A diamond is a re-arrangement of carbon atoms (those are called allotropes).
Diamonds have the highest hardness of any bulk (all one type) material. Because of this, many important industries use diamonds as tools for cutting and polishing things. Many of them are clear, but some of them have colors, like yellow, red, blue, green and pink. Diamonds of a different color are called "fancies".
Big diamonds are very rare, and are worth a lot of money. Only 20% of diamonds are fit for jewellery. The other 80% are of lower quality. Those lower quality diamonds are called industrial diamonds, and are used to make things like drill bits and diamond saws. Even if a diamond is not of gem quality, it still has a value because it is very hard.
Cut and faceted diamonds can be attractive hence their use in jewellery.
Diamonds are very effective electrical insulators, but also very good conductors of heat.
On Mohs scale of mineral hardness, diamonds are scored as 10 (the highest score possible).
What is the most notable characteristic of a diamond?
It is hard.
It is beautiful.
It is expensive.
It is colorful.
It is rare.
A diamond is a re-arrangement of carbon atoms (those are called allotropes).
Diamonds have the highest hardness of any bulk (all one type) material. Because of this, many important industries use diamonds as tools for cutting and polishing things. Many of them are clear, but some of them have colors, like yellow, red, blue, green and pink. Diamonds of a different color are called "fancies".
Big diamonds are very rare, and are worth a lot of money. Only 20% of diamonds are fit for jewellery. The other 80% are of lower quality. Those lower quality diamonds are called industrial diamonds, and are used to make things like drill bits and diamond saws. Even if a diamond is not of gem quality, it still has a value because it is very hard.
Cut and faceted diamonds can be attractive hence their use in jewellery.
Diamonds are very effective electrical insulators, but also very good conductors of heat.
On Mohs scale of mineral hardness, diamonds are scored as 10 (the highest score possible).
What is the first paragraph about?
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different qualities of diamonds
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A diamond is a re-arrangement of carbon atoms (those are called allotropes).
Diamonds have the highest hardness of any bulk (all one type) material. Because of this, many important industries use diamonds as tools for cutting and polishing things. Many of them are clear, but some of them have colors, like yellow, red, blue, green and pink. Diamonds of a different color are called "fancies".
Big diamonds are very rare, and are worth a lot of money. Only 20% of diamonds are fit for jewellery. The other 80% are of lower quality. Those lower quality diamonds are called industrial diamonds, and are used to make things like drill bits and diamond saws. Even if a diamond is not of gem quality, it still has a value because it is very hard.
Cut and faceted diamonds can be attractive hence their use in jewellery.
Diamonds are very effective electrical insulators, but also very good conductors of heat.
On Mohs scale of mineral hardness, diamonds are scored as 10 (the highest score possible).
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A diamond is a re-arrangement of carbon atoms (those are called allotropes).
Diamonds have the highest hardness of any bulk (all one type) material. Because of this, many important industries use diamonds as tools for cutting and polishing things. Many of them are clear, but some of them have colors, like yellow, red, blue, green and pink. Diamonds of a different color are called "fancies".
Big diamonds are very rare, and are worth a lot of money. Only 20% of diamonds are fit for jewellery. The other 80% are of lower quality. Those lower quality diamonds are called industrial diamonds, and are used to make things like drill bits and diamond saws. Even if a diamond is not of gem quality, it still has a value because it is very hard.
Cut and faceted diamonds can be attractive hence their use in jewellery.
Diamonds are very effective electrical insulators, but also very good conductors of heat.
On Mohs scale of mineral hardness, diamonds are scored as 10 (the highest score possible).
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Bread is a type of baked food. It is mainly made from dough, which is made mainly from flour and water. Usually, salt and yeast are added. Bread is often baked in an oven.
Bread can be toasted or used to make sandwiches. Pizza is a food based on bread. There are many different kinds of bread.
The two main types of bread are:
1. Leavened bread is made by adding yeast or other leavening to the dough. The yeast produces gas that makes the dough lighter. Leavened bread can be made into larger loaves baked in an oven. This is the main type of bread eaten in Europe, America, and many parts of Asia.
2. Unleavened flatbread is baked from a dough of water and flour, with no yeast. It is baked in flat rounds like tortilla or chapati. This type of bread cannot be made thick as it would be too dense to eat. Unleavened bread is eaten throughout the Middle East, Africa, parts of Asia, and as the Central American tortilla. Baking can be done on a metal plate or hot stone, or in an oven.
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Bread is a type of baked food. It is mainly made from dough, which is made mainly from flour and water. Usually, salt and yeast are added. Bread is often baked in an oven.
Bread can be toasted or used to make sandwiches. Pizza is a food based on bread. There are many different kinds of bread.
The two main types of bread are:
1. Leavened bread is made by adding yeast or other leavening to the dough. The yeast produces gas that makes the dough lighter. Leavened bread can be made into larger loaves baked in an oven. This is the main type of bread eaten in Europe, America, and many parts of Asia.
2. Unleavened flatbread is baked from a dough of water and flour, with no yeast. It is baked in flat rounds like tortilla or chapati. This type of bread cannot be made thick as it would be too dense to eat. Unleavened bread is eaten throughout the Middle East, Africa, parts of Asia, and as the Central American tortilla. Baking can be done on a metal plate or hot stone, or in an oven.
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Bread is a type of baked food. It is mainly made from dough, which is made mainly from flour and water. Usually, salt and yeast are added. Bread is often baked in an oven.
Bread can be toasted or used to make sandwiches. Pizza is a food based on bread. There are many different kinds of bread.
The two main types of bread are:
1. Leavened bread is made by adding yeast or other leavening to the dough. The yeast produces gas that makes the dough lighter. Leavened bread can be made into larger loaves baked in an oven. This is the main type of bread eaten in Europe, America, and many parts of Asia.
2. Unleavened flatbread is baked from a dough of water and flour, with no yeast. It is baked in flat rounds like tortilla or chapati. This type of bread cannot be made thick as it would be too dense to eat. Unleavened bread is eaten throughout the Middle East, Africa, parts of Asia, and as the Central American tortilla. Baking can be done on a metal plate or hot stone, or in an oven.
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Bread is a type of baked food. It is mainly made from dough, which is made mainly from flour and water. Usually, salt and yeast are added. Bread is often baked in an oven.
Bread can be toasted or used to make sandwiches. Pizza is a food based on bread. There are many different kinds of bread.
The two main types of bread are:
1. Leavened bread is made by adding yeast or other leavening to the dough. The yeast produces gas that makes the dough lighter. Leavened bread can be made into larger loaves baked in an oven. This is the main type of bread eaten in Europe, America, and many parts of Asia.
2. Unleavened flatbread is baked from a dough of water and flour, with no yeast. It is baked in flat rounds like tortilla or chapati. This type of bread cannot be made thick as it would be too dense to eat. Unleavened bread is eaten throughout the Middle East, Africa, parts of Asia, and as the Central American tortilla. Baking can be done on a metal plate or hot stone, or in an oven.
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Gouda is a kind of soft cheese made from cows' milk. The cheese is named after the city of Gouda, which is famous for it. The name Gouda is not protected, so Gouda is made all over the world. There is also a protected designation of origin Noord-Hollandse Gouda (Gouda from North Holland). This may seem inaccurate, because the city of Gouda is in South Holland. Most of the cows however graze in North Holland.
There are two varieties of Gouda for export: Young gouda, which is between one and six months old. Young gouda is usually sold with a yellow or red coating of paraffin wax.
Gouda that is older, is usually sold with a black coating. It is more brittle, and has a stronger scent.
There are other variations, like Smoked Gouda, which is a processed cheese, and Leyden Gouda.
There is also spiced gouda which has spices in it to make it have more flavour.
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Gouda is a kind of soft cheese made from cows' milk. The cheese is named after the city of Gouda, which is famous for it. The name Gouda is not protected, so Gouda is made all over the world. There is also a protected designation of origin Noord-Hollandse Gouda (Gouda from North Holland). This may seem inaccurate, because the city of Gouda is in South Holland. Most of the cows however graze in North Holland.
There are two varieties of Gouda for export: Young gouda, which is between one and six months old. Young gouda is usually sold with a yellow or red coating of paraffin wax.
Gouda that is older, is usually sold with a black coating. It is more brittle, and has a stronger scent.
There are other variations, like Smoked Gouda, which is a processed cheese, and Leyden Gouda.
There is also spiced gouda which has spices in it to make it have more flavour.
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Gouda is a kind of soft cheese made from cows' milk. The cheese is named after the city of Gouda, which is famous for it. The name Gouda is not protected, so Gouda is made all over the world. There is also a protected designation of origin Noord-Hollandse Gouda (Gouda from North Holland). This may seem inaccurate, because the city of Gouda is in South Holland. Most of the cows however graze in North Holland.
There are two varieties of Gouda for export: Young gouda, which is between one and six months old. Young gouda is usually sold with a yellow or red coating of paraffin wax.
Gouda that is older, is usually sold with a black coating. It is more brittle, and has a stronger scent.
There are other variations, like Smoked Gouda, which is a processed cheese, and Leyden Gouda.
There is also spiced gouda which has spices in it to make it have more flavour.
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Gouda is a kind of soft cheese made from cows' milk. The cheese is named after the city of Gouda, which is famous for it. The name Gouda is not protected, so Gouda is made all over the world. There is also a protected designation of origin Noord-Hollandse Gouda (Gouda from North Holland). This may seem inaccurate, because the city of Gouda is in South Holland. Most of the cows however graze in North Holland.
There are two varieties of Gouda for export: Young gouda, which is between one and six months old. Young gouda is usually sold with a yellow or red coating of paraffin wax.
Gouda that is older, is usually sold with a black coating. It is more brittle, and has a stronger scent.
There are other variations, like Smoked Gouda, which is a processed cheese, and Leyden Gouda.
There is also spiced gouda which has spices in it to make it have more flavour.
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Flamenco is a style of entertainment with song, music and dance. It is very popular in Spain and is known worldwide. Its foundation is in Andalusia in Spain. In its evolution Andalusian Gypsies played an important part. The term 'flamenco' was first recorded in the late 18th century but many believe the art form is much older.
Flamenco has acoustic guitar music, singing, hand claps, heel stamps, castanets. It is danced by a man and a woman in traditional Spanish costumes. The dance has no set tempo. It may have both fast and slow passages, rising to a climax near the end.
Flamenco performance has evolved during the history of this musical genre. In the beginning (the 18th century at the latest), songs were sung without any guitar accompaniment. During the 19th century, the guitar was used to accompany songs. Since the second half of the 19th century, the solo guitar is played in flamenco concerts.
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Flamenco is a style of entertainment with song, music and dance. It is very popular in Spain and is known worldwide. Its foundation is in Andalusia in Spain. In its evolution Andalusian Gypsies played an important part. The term 'flamenco' was first recorded in the late 18th century but many believe the art form is much older.
Flamenco has acoustic guitar music, singing, hand claps, heel stamps, castanets. It is danced by a man and a woman in traditional Spanish costumes. The dance has no set tempo. It may have both fast and slow passages, rising to a climax near the end.
Flamenco performance has evolved during the history of this musical genre. In the beginning (the 18th century at the latest), songs were sung without any guitar accompaniment. During the 19th century, the guitar was used to accompany songs. Since the second half of the 19th century, the solo guitar is played in flamenco concerts.
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Flamenco is a style of entertainment with song, music and dance. It is very popular in Spain and is known worldwide. Its foundation is in Andalusia in Spain. In its evolution Andalusian Gypsies played an important part. The term 'flamenco' was first recorded in the late 18th century but many believe the art form is much older.
Flamenco has acoustic guitar music, singing, hand claps, heel stamps, castanets. It is danced by a man and a woman in traditional Spanish costumes. The dance has no set tempo. It may have both fast and slow passages, rising to a climax near the end.
Flamenco performance has evolved during the history of this musical genre. In the beginning (the 18th century at the latest), songs were sung without any guitar accompaniment. During the 19th century, the guitar was used to accompany songs. Since the second half of the 19th century, the solo guitar is played in flamenco concerts.
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Flamenco is a style of entertainment with song, music and dance. It is very popular in Spain and is known worldwide. Its foundation is in Andalusia in Spain. In its evolution Andalusian Gypsies played an important part. The term 'flamenco' was first recorded in the late 18th century but many believe the art form is much older.
Flamenco has acoustic guitar music, singing, hand claps, heel stamps, castanets. It is danced by a man and a woman in traditional Spanish costumes. The dance has no set tempo. It may have both fast and slow passages, rising to a climax near the end.
Flamenco performance has evolved during the history of this musical genre. In the beginning (the 18th century at the latest), songs were sung without any guitar accompaniment. During the 19th century, the guitar was used to accompany songs. Since the second half of the 19th century, the solo guitar is played in flamenco concerts.
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Global warming is the temperature of Earth's surface, oceans and atmosphere going up over tens to thousands of years. Average temperatures today are about 1 °C (1.8 °F) higher than before the Industrial Revolution, which started around 1750, during the Little Ice Age, an abnormally cold period. But in some parts of the world it is less than this and some more. Some scientists say that by the year 2100 temperatures will be 1.5 °C (2.7 °F) to 5 °C (9.0 °F) higher than they were before 1750. The most noticeable changes because of this increase in temperature is the melting of ice caps all around the world. Sea level is rising steadily because of continental ice melting into the sea. Many cities will be partly flooded by the ocean in the 21st century. Humans are primarily the cause of global warming.
Among the greenhouse gases, the increase of carbon dioxide in the atmosphere is one of the causes of global warming, as predicted by Svante Arrhenius a hundred years ago, confirming the work of Joseph Fourier more than 200 years ago. When people burn fossil fuels like coal, oil and natural gas this adds carbon dioxide into the air. This is because fossil fuels contain lots of carbon and burning means joining most of the atoms in the fuel with oxygen. When people cut down many trees (deforestation), this means less carbon dioxide is taken out of the atmosphere by those plants.
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Global warming is the temperature of Earth's surface, oceans and atmosphere going up over tens to thousands of years. Average temperatures today are about 1 °C (1.8 °F) higher than before the Industrial Revolution, which started around 1750, during the Little Ice Age, an abnormally cold period. But in some parts of the world it is less than this and some more. Some scientists say that by the year 2100 temperatures will be 1.5 °C (2.7 °F) to 5 °C (9.0 °F) higher than they were before 1750. The most noticeable changes because of this increase in temperature is the melting of ice caps all around the world. Sea level is rising steadily because of continental ice melting into the sea. Many cities will be partly flooded by the ocean in the 21st century. Humans are primarily the cause of global warming.
Among the greenhouse gases, the increase of carbon dioxide in the atmosphere is one of the causes of global warming, as predicted by Svante Arrhenius a hundred years ago, confirming the work of Joseph Fourier more than 200 years ago. When people burn fossil fuels like coal, oil and natural gas this adds carbon dioxide into the air. This is because fossil fuels contain lots of carbon and burning means joining most of the atoms in the fuel with oxygen. When people cut down many trees (deforestation), this means less carbon dioxide is taken out of the atmosphere by those plants.
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Global warming is the temperature of Earth's surface, oceans and atmosphere going up over tens to thousands of years. Average temperatures today are about 1 °C (1.8 °F) higher than before the Industrial Revolution, which started around 1750, during the Little Ice Age, an abnormally cold period. But in some parts of the world it is less than this and some more. Some scientists say that by the year 2100 temperatures will be 1.5 °C (2.7 °F) to 5 °C (9.0 °F) higher than they were before 1750. The most noticeable changes because of this increase in temperature is the melting of ice caps all around the world. Sea level is rising steadily because of continental ice melting into the sea. Many cities will be partly flooded by the ocean in the 21st century. Humans are primarily the cause of global warming.
Among the greenhouse gases, the increase of carbon dioxide in the atmosphere is one of the causes of global warming, as predicted by Svante Arrhenius a hundred years ago, confirming the work of Joseph Fourier more than 200 years ago. When people burn fossil fuels like coal, oil and natural gas this adds carbon dioxide into the air. This is because fossil fuels contain lots of carbon and burning means joining most of the atoms in the fuel with oxygen. When people cut down many trees (deforestation), this means less carbon dioxide is taken out of the atmosphere by those plants.
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Global warming is the temperature of Earth's surface, oceans and atmosphere going up over tens to thousands of years. Average temperatures today are about 1 °C (1.8 °F) higher than before the Industrial Revolution, which started around 1750, during the Little Ice Age, an abnormally cold period. But in some parts of the world it is less than this and some more. Some scientists say that by the year 2100 temperatures will be 1.5 °C (2.7 °F) to 5 °C (9.0 °F) higher than they were before 1750. The most noticeable changes because of this increase in temperature is the melting of ice caps all around the world. Sea level is rising steadily because of continental ice melting into the sea. Many cities will be partly flooded by the ocean in the 21st century. Humans are primarily the cause of global warming.
Among the greenhouse gases, the increase of carbon dioxide in the atmosphere is one of the causes of global warming, as predicted by Svante Arrhenius a hundred years ago, confirming the work of Joseph Fourier more than 200 years ago. When people burn fossil fuels like coal, oil and natural gas this adds carbon dioxide into the air. This is because fossil fuels contain lots of carbon and burning means joining most of the atoms in the fuel with oxygen. When people cut down many trees (deforestation), this means less carbon dioxide is taken out of the atmosphere by those plants.
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