Recursos educativos calculate página 3

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Calculate. Average velocity
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Calculate the average speed of a vehicle traveling a total 740 km in 12 hours. Round the answer to hundredths. vm = km/h = m/s
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Calculate. Calculating volume 4.1
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How would you use a tape measure to calculate the capacity of a cylindrical container?
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Calculate. Measuring living things
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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)
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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)
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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)
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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)
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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. The speed of light
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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
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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 - End-of-unit activities
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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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