'משיב הרוח - ומוריד הגשם'. - - - משאבות מסייעות לנו להעלות מים לעלות ממאגר תחתון, אל מקום גבוה. המשאבה מאפשרת לנו להתגבר על כוח המשיכה של כדור הארץ, שמושך את המים כלפי מטה. בפינה זו נכיר משאבה, המבוססת על חוק ברנולי, שממחישה איך פועלים מיכלי ריסוס ביתיים: מטהר אוויר, מרסס נגד חרקים ועוד.

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