Vocabulary

PHRASES

100

to move slower, or to cause someone or something to move slower

slow down

200

very fast and dangerous, or with a high risk of accident or injury

at breakneck speed

300

 If you tell someone to get a move on, you are telling them to hurry.

get a move on

400

extremely slowly

at a snail’s pace

500

move or progress at the same rate as someone or something else.

keep up with

ONE WORD

100

The distance around a circle.

CIRCUMFERENCE

200

The distance straight across a circle.

DIAMETER

300

The measurement from the center of a circle to its edge.

RADIUS

400

a hormone (= chemical substance) produced by the body when a person is frightened, angry, or excited, which makes the heart beat faster and prepares the body to react to danger

adrenaline

500

an elevated railway (as in an amusement park) constructed with sharp curves and steep inclines on which cars roll

rollercoaster

ROAD SAFETY

100

a sliding movement that cannot be controlled

skid

200

prevent (someone) from concentrating on something.

distract

300

a vehicle equipped for taking sick or injured people to and from hospital, especially in emergencies.

ambulance

400

a roadside camera triggered by speeding vehicles, taking either video footage or a photograph of the vehicle with a record of its speed.

speed camera

500

a path or marked route that is intended for people riding bicycles

bike path