chapter 1 – the world of physical science ⋆.ೃ࿔*:･
the study of nature is
what is science
characteristics you can see or measure
what is physical properties
definite shape and volume and particles tightly packed
what is a solid
pure substance made of one kind of atom
what is an element
what science focuses on nonliving matter and energy
what is physical science
resistance to motion
inertia
→ gas behavior depends on 3 things
what is temperature, pressure, volume
this is shiny, bendable, conducts electricity
what is a metal
organized steps scientists use to solve problems
what is scientific method:
a new substance is formed is
what is a chemical change
pressure ↑, volume ↓
temperature stays the same
→ what is boyle’s law
This term refers to how much solute is present in a given amount of solution.
what is concentration
scientists test _________ to see if they are correct or incorrect
what is hypotheses
amount of space an object takes up
what is volume
→ temperature ↑, volume ↑
→ pressure stays the same
what is charles’s law
This property describes the most amount of a substance that can dissolve in a solvent.
what is solubility
a representation of an object, system, or process
what is a scientific model
curved surface of a liquid due to surface tension
what is a meniscus line
freezing is known as a _______ change and goes from a liquid to a solid
what is exothermic
tiny particles in liquids that stay spread out and do not settle are known as
what is a colloid