itstimeforsciences

https://www.youtube.com/watch?v=yvyHVA1Ww_M

https://www.youtube.com/playlist?list=PLLF_mZmNqOn25pLFQkhJBl6gxHeKyB0Mo

Lets revise the types of energy https://www.youtube.com/watch?v=Q0LBegPWzrg

https://www.youtube.com/watch?v=qRKoGO7hNXg&list=PLLF_mZmNqOn25pLFQkhJBl6gxHeKyB0Mo&index=32&t=0s

Here you have the video about invertebrates https://www.youtube.com/watch?v=rzxFTrktN1c&list=PLLF_mZmNqOn25pLFQkhJBl6gxHeKyB0Mo&index=30&t=0s

Here you have the three main life processes, known as well as vital functions. https://www.youtube.com/watch?v=L_zaTnh8LXo&list=PLLF_mZmNqOn25pLFQkhJBl6gxHeKyB0Mo&index=36&t=0s