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Calculate. The Moon 01
EduBook Organización
- 1950 visitas
Calculate the surface area of the Moon, which has a diameter of 3480 km.
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Calculate. Calculating volume 4.1
EduBook Organización
- 1830 visitas
How would you use a tape measure to calculate the capacity of a cylindrical container?
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Calculate. Measuring living things
EduBook Organización
- 1801 visitas
To measure living things as small as bacteria or viruses, we use nanometres (a billionth of a metre) and micrometres (a miliionth of a metre). What fraction of a millimetre are a micrometre and a…
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Calculate. Minerals (1)
EduBook Organización
- 1744 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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Calculate. Sound (2)
EduBook Organización
- 1705 visitas
How far does sound travel in 10 s in an atmosphere of CO2 (v = 260 m/s)? It travels meters.
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Calculate. Sound (1)
EduBook Organización
- 1680 visitas
If we see lightning and then hear thunder 5 s later, how far away from us is the storm? It is meters away.
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Calculate. Minerals (2)
EduBook Organización
- 1597 visitas
Manganese is a mineral formed at the bottom of the sea. It is found in the form of different sized nodules. If we know that each nodule grows by 2 mm every million years, how long will it take a nodule…
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Calculate - End-of-unit activities
EduBook Organización
- 3420 visitas
How far does light travel through water in 10 s? A robot sent a signal at the speed of light from the planet Mars. It took 3 minutes to reach Earth. How far away is Mars? How far does sound travel…
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Calculate. The speed of light
EduBook Organización
- 3410 visitas
Calculate the distance in km that light travels in 20 s. d = km Calculate the distance in km that light travels in methacrylate in 20 s d = km If sunlight takes 8 minutes to reach Earth through the…
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Calculate - End-of-unit activities
EduBook Organización
- 3205 visitas
Calculate the work done by a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. What is the efficiency of a machine which does 230 J of work but uses 410 J of total energy?
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