للتواصل
(1)
1. Density: ……………
(2)
2. Melting point: ………………
(3)
3. Boiling point: ……………………
(4)
4. Compound: ……………………
(5)
Atomic number: …………………
(6)
6. Mass number: ………………………
(7)
7. Quantum: …………………
(8)
8. Energy: ………………………
(9)
9. Potential energy: ………………………
(10)
10.Kinetic energy: ……………………………
(11)
11.Mechanical energy: ………………
(12)
12.Heat energy: …………………………
(13)
13.The temperature: ……………………
(14)
14. Law of energy conservation: …………………
(15)
15. Species: ………………………………
(16)
16.Hibernation: …………………………
(17)
17.Behavioral adaptation: …………………………
(18)
Mention the change of energy (energy transformation) in :
The solar heater: ……………………
(19)
The solar cell: ……………………………………
(20)
The cellular phone: ………………………
(21)
The electric lamp: ……………………………
(22)
Dynamo (Electric generator): …………………………
(23)
The electric fan: ………………………
(24)
Knowing the density of a substance: ………………………
(25)
Copper – gold alloy: ………………………
(26)
Nickel – chrome alloy: ……………………
(27)
Helium and hydrogen: ………………………
(28)
Electrons in the outermost energy level: …………………………
(29)
The simple electric cell: ……………………………………
(30)
Car dynamo: ………………………
(31)
Solar cell: …………………………
(32)
Solar heater: …………………………
(33)
Cross the odd word out
Neon – Argon – Oxygen - Helium
(34)
Sodium – Copper – Aluminum - Iron
(35)
Wood – oil – ice – iron nail
(36)
Butter – Ice – Iron – Wax
(37)
Solar heater – Electric stove – Coal fire – Solar cell
(38)
Bean – pea – maize – pine – wheat
(39)
Locust – mosquito – spider – cockroach – fly
(40)
Whale – bat – dolphin – sea lion
(41)
Reptiles – fishes – birds – worms
(42)
Snake – jellyfish – shark – frog
(43)
Armadillo – lion – tiger – lion
(44)
Dieonea – Drosera – Amoeba – Halophila
(45)
Amoeba – euglena – clover - paramecium
(46)
Density, mass and volume
(47)
The weight of an object.
(48)
The work done to move an object from one point to another.
(49)
Relation between Mechanical energy, kinetic energy and potential energy
(50)
Relation between Potential energy, weight and height
(51)
The number of electrons that saturates certain energy level.
