control

A group in an experiment that does not receive the treatment and is used for comparison

Using tests or trials to check new ideas

Managed so it is calm and not dangerous

Too strong to be stopped or managed

Work continues with little effort because things are steady

To manage money for a household or group and decide how to spend it

Methods people use to prevent pregnancy and plan when to have children

Laws and rules that control buying, owning, and using guns

A small device you use to control a TV or other machine from a distance

A room where people watch and control machines like cameras or power equipment

Being able to stop yourself from acting on strong feelings or wants when it is hard

A system that keeps a machine or process working as it should

A person who wants to be in charge of people and tasks

Taking land, buildings, or other property, often by force

Actions to limit the bad effects of a problem, for example to protect a reputation

A small medicine tablet with hormones a woman takes to prevent pregnancy

Directing vehicles and people so they move safely and smoothly

Rules that limit a country's weapons and armed forces, often agreed between countries

A place where people watch and direct a group's activities

A process that checks and tests products to keep them at the correct standard

A flat board with switches and dials that people use to run and check machines

A U.S. government health agency that studies and prevents diseases

A government limit on the highest price stores can charge for goods or services

Actions to keep large groups of people safe and orderly

To stop insects and rodents that harm homes, crops or people's health

Managing how many people live in a place using government policies

An automatic system in a car that keeps a steady speed without pressing the pedal

A tall airport building with glass where people watch and direct planes

A screen that lets you change settings and manage devices

Ways to stop or reduce very high water using dams and barriers

To prepare and direct large guns to hit a target in battle

A team that talks to pilots and guides planes during landing

The ways a group or society uses rules and pressure to make people behave

Rule of a country by soldiers from another country

A military boundary between the Indian and Pakistani parts of Jammu and Kashmir

An experiment that keeps everything the same except one thing to compare results

How the brain and nerves make muscles move together

A computer system on a plane or drone that automatically keeps it steady and guides it

A system in a company that makes sure people follow rules, protects money, and stops stealing and mistakes

A metal rod inserted into a nuclear reactor to absorb neutrons and slow the reaction

A flat panel with switches and dials used to operate and check electric equipment

People on the ground who guide aircraft by radio while they fly

Ways a company checks and guides its activities to meet goals

A group in an experiment that does not receive the treatment and is used for comparison

Ways and tools police use to control large violent crowds

A central system that watches and controls many operations in real time

An electrical part that manages how a machine like a motor works by changing electric signals

Shares that give some owners the power to make company decisions

A movable part on a plane that the pilot moves to steer or keep it steady

Something that stops a person from becoming pregnant

A feature in a computer program that manages how data are recorded, processed and sent

A lever a pilot uses to move a plane up, down, left, and right

A quick operation to stop bleeding, keep wounds clean, and make a very badly injured patient stable before full repair

Managing stock to have enough without too much

A bomb you can make explode from far away using a small device you hold

The electronics and software that make motors move accurately

A system that finds and aims weapons at military targets on ships or tanks

A system that uses radio waves to aim and fire weapons at military targets

A key on a computer keyboard that you press with other keys to do special actions

A hidden computer symbol used to tell a program how to show or move text

An app that lets you monitor and control many devices

A set of rules used on the internet to send data reliably between computers

A set of rules that let computers on different networks send data over the Internet

Managing data flow on a network to keep services fast and stable

An account in the main ledger that shows the total of many smaller accounts to check the totals

Abilities that stop many enemies from moving or acting

An action that starts, changes, or stops a device working with data

A program that prepares and runs groups of scheduled computer tasks

A person who works to make birth control and planning for children more accepted

A person who works to make birth control and family planning easier to get

A way to avoid pregnancy by tracking a woman's periods and avoiding sex on days when she can get pregnant

A metal part inside a vacuum tube that controls the flow of electrons

A computer character typed with the control key that tells a program to make a new line or tab

A system that limits how fast users can send messages or requests

Managing a place to change how people behave

The government does very little and lets people make their own choices

A set of computer commands that tell an operating system which tasks to run

Ability to influence others using sexual attraction or gender roles

Actions that police or soldiers take to stop and control a violent crowd during a riot