Science
What does speed mean?
how fast an object’s position changes over time
what does energy mean?
can be transformed or transferred
what does vibrations mean?
back and forth movement
What is the value of the 2 in 230,476,111?
100 MILLION
What is 20+19?
39
what does conductor mean?
a material through which electricity flows easily
what does circuit mean?
a path through which electricity can flow
what does radiation mean?
the energy that comes from a source in the form of waves or particles
what is the decimal form of: 13\100
0.13
what causes heat when rubbing your hands together?
Friction
the energy of motion is not determined by...
an object's position above a surface
stretching a coil or spring increases it's (kinetic or potential)energy
potentia
Friction during a collision causes some kinetic energy to be changed into (heat or electricity )
heat
how does heat travel from the sun to earth?
radiation
the chemicals inside a battery store ( energy or pure liquid )
energy
energy is also transferred from the sun to earth through( thermal or electrical)
thermal