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Answer. Density 5.5
EduBook Organización
- 1918 visitas
What procedures should we follow to measure the density of a solid?
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Calculate with multiples and submultiples - Matter: Mass, Volume and Den...
EduBook Organización
- 1920 visitas
Problem solving involving measurements is often accompanied by the use of multiples and submultiples of these units. Below are four problems to demonstrate the use of multiples and submultiples and how…
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Answer. Density 01
EduBook Organización
- 1919 visitas
Define the concept of density and name the units of measurement used to express it.
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Calculate. Distances in the Universe 4
EduBook Organización
- 1920 visitas
If the distance from the Earth to the Moon is 1.25 light seconds, how many kilometres are there between them? km.
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Reflect. Pressure and climate 4
EduBook Organización
- 1919 visitas
Why is the jungle more humid than the desert?
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Did you know?
EduBook Organización
- 1908 visitas
When we want water, we just turn on the water tap and out it comes. But water is a very scarce resource. We should not waste or pollute water. Remember, more than 2 billion people do not have access to…
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Final evaluation 4 - The Hydrosphere
EduBook Organización
- 1911 visitas
Match each fact with the property of water that makes it possible: Fish can live below the ice. Sea water is salty. Coastal areas have milder temperatures than inland areas. Water circulates through rivers.
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Calculate. Minerals (1)
EduBook Organización
- 1906 visitas
The sea provides us with many minerals. If a tonne of seawater is needed to extract 0.5 mg of gold, calculate how many tonnes are needed to extract enough gold to make a 30 g ring. Result: tonnes
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Final evaluation 1 - The Diversity of Life
EduBook Organización
- 1914 visitas
Define the term biological evolution.
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Final self-evaluation 9.10 - The Plant Kingdom
EduBook Organización
- 1913 visitas
Are the following sentences true or false? Mosses do not have roots, stems or leaves. Seeds are part of fruit. Cotyledons contain nutritional reserves. Gymnosperm plants make spores to reproduce.
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