[Think 4 B2] Unit 11 Vocabulary

The presence of harmful substances in air, water, or food is called:

• Gravity

• Contamination

• Spacewalk

• Multinational enterprise

If bacteria or other harmful substances spread from one surface to another, it is called:

• Cross-contamination

• Encounter

• Inspection

• Ignorance

Something relating to planets or space is described as:

• Planetary

• Psychological

• Breathtaking

• Exterior

When different people or groups work together towards a common goal, it is called:

• Collaboration

• Overcome

• Encounter

• Weightless

To succeed in dealing with a problem means to:

• Overcome

• Evacuate

• Inspect

• Orbit

A problem that affects the human mind or emotions is called:

• Psychological

• Sentimental

• Action-packed

• Multinational enterprise

The energy emitted in waves or particles, often dangerous, is called:

• Radiation

• Gravity

• Liquid

• Orbiting

An environment that is completely clean and free from bacteria is:

• Sterile

• Exterior

• Thrilling

• Stunning

A lack of knowledge or awareness is known as:

• Ignorance

• Authority

• Psychological

• Encounter

The power to enforce rules or make decisions is called:

• Authority

• Sentimental

• Touchdown

• Psychological