کتاب روانشناسی و موفقیت

کتاب آموزش عمومی زبان انگلیسی با متون ساده

توضیحات:

Our planet, The Earth , always spins in space . We never fall off the surface of The Earth. We can move on it like the ants walking on a tennis ball . Why don’t we fall off ? The Earth contains a big amount of matter . Its mass is great . Every particle of matter has a pulling force. The particles of matter pull on each other. We call this pulling force “gravity”.

The force of gravity keeps us from falling off the Earth .
Synonyms : spin : rotate contain : include force : power

Equivalents : spin : چرخيدن space : فضا fall off : سقوط کردن surface : سطح move : حرکت کردن

ant : مورجه contain : دربرگرفتن amount : مقدار matter : ماده mass : جرم pull : کشيدن

call : ناميدن force : نيرو gravity : جاذبه keep : نگه داشتن

Comprehension test : The force that keeps us from falling off the Earth is

a)matter b)mass c)space d)gravity