A place where people get medical help.
clinic
The hard, center part of corn that the kernels grow on.
corncob
Fill a battery with electric power.
charge
Pass something through an object to remove unwanted particles.
filter
A small electric light that you can carry in your hand.
flashlight
Connect something to a source of electricity.
plug (into)
Form an opinion based on knowledge or facts you have.
infer
At the beginning, originally.
initially
Copies the way someone behaves, speaks, moves, etc.
imitate
A substance, often injected into people, that helps protect them from a disease.
vaccine
Structures, usually made of wood or metal, that keep animals or people from entering or leaving an area.
fence
Get things of the same type from different places and bring them together.
collect
Pieces of waste material, trash, garbage.
debris
Power that is used to make machines work.
electricity
Think about a problem and find a solution or answer.
figure out
A substance that is used to produce energy.
fuel
Build something.
construct
Change as a result of a chemical process.
break down
The set of programs that tell a computer what to do.
software
Successful and working in the way it was intended.
effective
Artificial, replacing a missing part of the body, like an arm or leg.
prosthetic
A way of solving a problem or dealing with a difficult situation.
solution
A tool that does a special job.
device