I think the Marvin and Milo cartoons are a fun and engaging way to create interest in inquiry based learning and are a great introduction to scientific concepts. The resource could also be used as early finishers activity reading material so children could be inspired to try some activities at home.
Some activities for science week that tie in with the primary science curriculum would be
Rocket Race (inspired by Marvin and Milo Balloon race https://spark.iop.org/sites/default/files/media/documents/19%20-%20Marvin%20and%20Milo%20-%20Balloon%20Rocket%202019_0.pdf)
Create balloon rockets by threading a string through a straw and attaching a blown-up balloon. Let the balloon go and observe its movement. Discuss how air movement propels the balloon.
Surface Explorers
Roll toy cars on different surfaces- sandpaper, foil, carpet, and cardboard. Record how far they travel and discuss which surfaces are smooth or rough and how this affects movement.
Moon Crater Creation
Create a “moon surface” using flour and cocoa powder. Drop marbles from different heights to simulate meteor impacts. Observe and compare the craters formed. Discuss how different textures and colours represent the moon’s surface.