140-168 Flashcards
5/17-19
What type of change has taken place if a new material is formed?
chemical change
What type of data are pieces of information that can be described in words
quantitative data
what type of data are pieces of information that can be described in numbers?
quantitative data `
energy is…
the ability to make things move or change
All matter is made up of tiny particles that are
always moving
energy of the moving particles of matter is called
thermal energy
transfer of thermal energy between things that are touching
conduction
examples of conduction
pot on a stove, touching a slide on a hot day
a material through which heat can move easily is called
a conductor
a material that heat does not move through easily is called
an insulator
transfer of thermal energy by the movement of liquids or gasses is
convection
one example of convection
boiling water
The transfer of energy by electromagnetic waves is called
radiation
What is the main source of electromagnetic waves on earth?
The sun.
One example of electromagnetic radiation
Feeling the heat from a fire across the room
If hot liquid is poured into a cold glass the glass will get
warmer
Energy that drives the water cycle comes from
the sun
if an ice cube melts in the sun, what process causes this change in state?
heating
the process by which water (a liquid) changes to water vapor (a gas) is called
evaporation
all living things are called
organisms
what are the basic building blocks of all living things or organisms?
cells
what is the smallest part of a living thing that can carry out all the processes of life
cell
True or false: You need a microscope to see most cells
true
this type of organism is made up of only one cell
unicellular organism
