What is the condition of the atmosphere at a specific place and time called?
Weather
What is the average weather conditions in an area over a long period called?
climate
What is the mass per unit volume of a substance called?
density
What instrument is used to measure atmospheric pressure?
barometer
What is the climate zone characterized by very low temperatures and little precipitation?
polar climate
What property describes how a substance reacts with another substance?
chemical property
What type of clouds are fluffy and white with a flat base?
cumulus
What is the term for the long-term changes in temperature and precipitation patterns?
Climate change
What is the term for a change in state that does not change the composition of a substance?
physical change
What is the term for the boundary between two different air masses?
Front
Which gas is primarily responsible for the greenhouse effect?
carbon dioxide (CO₂)
What is the term for a mixture that is uniform in composition?
homogeneous mixture
What phenomenon is caused by the uneven heating of the Earth’s surface?
Wind
What is the climate zone that experiences four distinct seasons?
temperate climate
What is the process of a liquid turning into a gas called?
evaporation