Ejercicios 2ESO cont

1. Which tool would you use to measure (indicate resolution): A 100 m race duration, the weigth of an apple, the weigth of a car, the length of a room's side, a screw's length,  the volume of a tennis ball, 

1. A ferry  weigths 45876 ton, measures 182123 cm, and has a useful surface of 22,765 hm2. Express its characteristics in IS units, using scientific notation and 3 significant digits
2. Summarize and identify the steps which the teacher took during a lesson to study the free fall of objects. Include the name of the step and what the teacher did

1. Convert to IS: 

• 212,34 cm

• 48.7 cm3
• 4567 ha (hm2)
• 67,42 g
• 1,245 ton