This word describes fuels like coal and oil that come from ancient plants and animals.
fossil fuel
These cars don’t need a person to steer them.
driverless cars
Scientists do this to the ground to search for oil or gas.
drilling
When you complete a goal, it is called this.
accomplishment
This word means the freedom to make your own choices.
freedom
Cutting down forests can lead to this type of damage to the land.
erosion
High-speed trains run on this
railway
Something that is risky might lead to this.
danger or a threat
A project can do this if not enough people support it.
decline
Governments make rules to stop or control certain things; this is the term for one such rule.
a ban
This is a big problem caused by burning fossil fuels that heats up the Earth.
global warming
In busy cities, people use bikes or scooters to do this.
get around
This is another word for creating or inventing something new.
development
If you save enough money, you can say you did this
earn money
This is what people in charge of a country are called
government
Solar and wind energy are examples of this kind of energy.
renewable energy
This kind of train was powered by water heated to create pressure.
steam train
If you have the ability to do something, you are this.
capable of
If a damaged building looks new again, someone did this.
restore it
This colorful powder is used to make clothes bright.
dye cloth
When oil leaks into the ocean, it’s called this.
oil spill
Planes or trains that go far distances are called this.
long-distance transportation
A connected system of computers or trains is called this.
network
This phrase means “good job, keep doing well.”
keep up the good work
This type of wildlife is found in areas where humans haven’t changed the land.
natural wildlife