1 слайд
1.Atom a) molecules move from higher concentration to lower
concentration
2.Molecula b) an instrument that measures temperature
3. diffusion c) a particle that consists of protons, neutrons and electrons; atom
determines a type of substance
4. Temperature d) scale is used in everyday life
5. Thermometer e) a group of atoms that are connected to each other
6. Conduction f) a measure of speed and mass of molecules, a measure of the
average kinetic energy of molecules
7. Convection g) heat flow by electromagnetic waves
8. Radiation h)heat flow by movement of a fluid(liquid or gas)
9. Internal energy i) heat flow by the collision of hotter particles to colder particles
10. Celsius scale j) a sum of all kinetic energies of atoms and molecules of
substance
2 слайд
Choose appropriate words to fill in the gaps in below:
________ is the form of energy that ______________from a hot
place to a cold one because of the _____________ difference
between these two places.
Heat moves by conduction, ______________ and radiation.
____________ energy is an alternative name for heat energy.
Word selection:
Thermal, temperature, travels, heat, convection
3 слайд
Keys:
1 . c 2.e 3.a 4. f 5. b 6. i
7. H 8. g 9. j 10.d
4 слайд
Keys:
1.heat 2.travels
3.temperature 4.convection
5.thermal
Сіз үшін 400 000 ұстаздардың еңбегі мен тәжірибесін біріктіріп, ең үлкен материалдар базасын жасадық. Төменде пәніңізді белгілеп, керек материалды алып сабағыңызға қолдана аласыз