01:01
Electromagnet by menna grade 4A baraem alain school
01:22
Electromagnet by omar grade 4A
01:02
Electromagnet by Abdelrahman grade 4a Baraem school
02:16
States of matter by menna grade 4a
01:17
solid- liquid - gas by yousef nael
02:08
let's talk on magnetism||magnet|magnetic poles||magnetic field
03:51
Parts of an ecosystem || page 206- 207
04:05
Fossil and the environment ||page 209
02:45
Temperature || page 219
05:16
FOSSILS AND LIVING ORGANISMS ||Page 208
03:09
BIOMETRIC PRESSURE || page 218
04:13
PLACES FOR LIVING THINGS || Page 205
04:22
Weather ||page 207
03:37
Windows to the past ||page 207
04:11
Life cycle of a mammal || page 182_183
03:05
Hydrosphere||page 213
04:26
Earth as a system(page 211) || Atmosphere ( page 212)
04:20
How Fossils Formed( page 202)
03:21
Fossil Clues( page 201)
04:18
Life Cycle OF a Butterfly ( page 178_ 179
01:54
REGULATIONS AND CONSERVATION ( PAGE 177)
01:34
HOW OFFSPRING ARE LIKE THEIR PARENT
01:30
NONATIVE SPECIES ( page 176)
02:25
ANIMALS WITHOUT BACKBONE
02:59
PEOPLE CHANGE ECOSYSTEM
02:01
What makes ecosystem different from each other
01:39
Cold blooded animals and warm blooded animals
02:17
About resurrection plants and wood frog( page 172/173)
02:46
KINDS OF ECOSYSTEM.grade 4
02:08
ANIMALS WITH BACKBONES.grade 3
02:27
SURVIVAL( grade 5)
02:39
Parts of an ecosystem( grade4)
02:18
Classify animals
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