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Learn. Interpreting data
EduBook Organización
- 2305 visitas
The object of this exercise is to find out which factors are used to calculate the Human Development Index (HDI). By analysing the statistics, you can find out about the relationships between them and…
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Final Autoevaluation T10 02 - Obtaining and using energy
EduBook Organización
- 2289 visitas
Calculate the work being done: By a person who pushes a wheelbarrow for a distance of 100 m if he exerts a force of 500 N. W = J By a person pushing a very heavy block, failing to move, exerting a force…
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Final Autoevaluation 4.04 - Animal reproduction
EduBook Organización
- 2225 visitas
The following table shows how the weight of a litter of mice progresses after birth: How many days did the mice take to double their weight after birth? days. Calculate on approximately which day the…
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Choose. Area and volume
EduBook Organización
- 2102 visitas
With the following formulas you can calculate flat surface areas or the volumes of geometric bodies. Choose a figure or body for each formula: π x r2 x h → a2 → a x b x c → a x b → 4 x π x…
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Complete. The study of earthquakes
EduBook Organización
- 2007 visitas
Complete the text using the words below: Richter - seismographs - seismograms - seismic - magnitude waves travel through the Earth's interior. The instruments used to measure the waves are called ,…
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Interpret. International tourists
EduBook Organización
- 1916 visitas
For the past six decades, tourism has increased steadily around the world. Today, it is one of the fastest growing economic activities. Look at the graph and answer the following questions: Calculate…
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Calculating volume and mass
EduBook Organización
- 1830 visitas
A block of granite is 30 cm high, 40 cm wide and 50 cm in length. The granite density is 2.6 g/cm3. What is the mass of the granite expressed in kilograms? To solve the problem, we do the following…
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Final evaluation 10 - The Earth and the Moon
EduBook Organización
- 1666 visitas
Calculate the speed at which the Moon moves around the Earth; take into account the following facts: circular orbit, average distance of the Moon from the Earth is 385000 km, period of rotation is 28…
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Look. The cell
EduBook Organización
- 1403 visitas
Look at the image and do the activities. What type of cell is shown in the photograph? Calculate the real size of the cell. To do this, divide the size of the cell in the photo (in mm) by the number of…
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Final evaluation 10 - Matter: Mass, Volume and Density
EduBook Organización
- 1320 visitas
An empty can of soda has a mass of 25 g. When it is full of soda, the total mass is 300 g. If we know that the volume of the can is 250 mL, calculate the density of the soda.
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