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Great Scientific Theories Pack A of 5
9-12 vuotta
muu,
2018,
englanti,
ISBN 9781474746212
The Great Scientific Theories series explains what a scientific theory is and how it can be developed and tested, before going on to look at a key scientific theory in detail. Each …
The Sun and Our Solar System
9-12 vuotta
nidottu,
2018,
englanti,
ISBN 9781474746120
How do we know that the Sun is at the centre of our solar system? This scientific theory is know as heliocentrism. This fascinating book looks at the historical controversies that …