some keywords Flashcards
1
Q
solar energy?
A
energy that comes from the sun
2
Q
axis
A
imaginary line through the centre of the earth
3
Q
tilted
A
at an angle, not straight
4
Q
rotation
A
spinning movement around an axis
5
Q
orbit
A
the path an object follows as it revolves around another object
6
Q
revolution
A
movement of an object in space around other objects
7
Q
conducters
A
substances that transfer heat energy easily
7
Q
insulators
A
substances that do not transfer heat energy easily
8
Q
convecion
A
the way that heat energy flows through liquid and gases
9
Q
radiation
A
transfer of heat energy by electromagnetic waves
10
Q
gravity
A
tendency of all objects to attract ,or pull towards each other because of their mass
