A large body of air with uniform temperature and humidity is called a ________.

• air mass

• front

• cyclone

• breeze

Tags

NGSS.MS-ESS2-5

The weight of air pressing down on the Earth is known as ________.

• air pressure

• gravity

• humidity

• temperature

An instrument that measures wind speed is called an ________.

• anemometer

• barometer

• hygrometer

• thermometer

A rocky or metallic object orbiting the sun is called an ________.

• asteroid

• comet

• planet

• star

The layer of gases surrounding a planet is called the ________.

• atmosphere

• crust

• core

• mantle

The smallest unit of an element is called an ________.

• atom

• molecule

• cell

• compound

Tags

NGSS.MS-PS1-1

The scientific explanation of atoms and their behavior is called ________.

• atomic theory

• cell theory

• evolution theory

• quantum mechanics

Tags

NGSS.MS-PS1-1

Equal and opposite forces that cancel each other are called ________.

• balanced forces

• unbalanced forces

• gravitational forces

• magnetic forces

An instrument used to measure air pressure is called a ________.

• barometer

• thermometer

• hygrometer

• anemometer

The use of engineering in biological systems is called ________.

• bioengineering

• geology

• astronomy

• mechanical engineering

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6