Economics
Government
Geography
Energy
Earth & Space
100

To keep money instead of spending it

save

100

Something a person does because it is good or right

responsibility

100

a structure that goes over a river, road or land

bridge

100

The ability to do work and make things move

energy

100

A large piece of rock or metal flying in space that is left over from the planets

asteroid

200

Something you would like to have but do not need

want

200

A person who guides other people

leader

200

having little or no water

dry

200

A type of energy that makes something warmer

heat

200

A person who travels into space

astronaut

300

When goods or services cost less than they usually do

sale

300

Something that is the same for everyone

fair

300

The part of Earth no covered with water

land

300

a container that stores and saves energy

battery

300

A force that weighs objects down

gravity

400

Something a person or business does for someone else

service

400

A group that provides a service to the community

agency

400

An object or place that is well known by a large number of people and identifies a town, country or location

landmark

400

To put energy into something

charge

400

An object that moves around Earth and sends messages and pictures to help us learn about space

satellite

500

A business where people can save their money or borrow money

bank

500

To make a choice for or against someone or something

vote

500

A picture of an area that shows where things are located

map

500

A type of energy carried through wires to make things run

electricity

500

To move around something in a circular path

revolve