1
Very small structures that are less than 100 nanometers in length.
2
The use of waterpower to produce electricity.
3
The way that something is done or made.
4
The changes that affect the world’s weather so that it is becoming warmer.
5
So small that you need to use a microscope to see it.
6
A form of energy that can produce light, heat, and power for machines.
7
Relating to the heat at the center of the Earth.
8
Power stations.
9
Equipment such as mobile phones does not use wires but communicates using electronic signals.
10
A unit for measuring electrical power.
11
Someone who studies the future and says what they think life will be like.
12
Relating to the Sun, or coming from the Sun.
13
A wall built across a river to stop the water from flowing.
