What environmental impact does solar energy have?What is evaporation? How did people cook before cooking devices (ovens, stove, microwave etc.)? Make a solar cooker/oven and let's cook! Using this ILS explore and

Explore with PhET simulation,videos and worksheets what is a wave, what makes a wave a wave, what are some basic characteristics of waves, are all waves the same, what is wavelength, wave amplitude and frequency, how tsunamis are formed and what causes an earthquake.

Istrаžujte osnovno o razlomcima: koliko je 1/3 čokolаdne torte, polovina kruga...