A vehicle for travelling in space

(a)  

Scientific evidence that something is true

(a)  

To find proof that something is true when doing a scientific investigation

(a)  

A line that light travels in

(a)  

A diagram to show how light travels

(a)  

A rocky mass that orbits the sun

(a)  

The movement of a body in space around a larger body in space

(a)  

A lump of ice and dirt which moves in a large orbit around the sun

(a)  

A vehicle for travelling in space

(a)  

The sun and the planets, moons, comets and asteroids which move around it

(a)  

The opposite of clockwise which is the direction the hands of the clock move

(a)  

Anything that spins or rotates has to turn around a central line

(a)  

A verb that means to turn very fast

(a)  

A model of the earth

(a)  

At an angle, not vertical

(a)  

The movement does not really happen but it looks like it happens

(a)  

A very smooth, shiny surface that reflects light well

(a)  

A picture of the object that you see on a screen or in the mirror

(a)  

To take in a substance

(a)  

A dark area or shape produced by a body coming between rays of light and a surface

(a)  

An object that does not allow light to pass through

(a)  

An object that you are not able to clearly see through because only some light can pass through

(a)  

An object that allows light completely passes through it, and you can see clearly through it

(a)