Exercise 3.1 A

Difficulty Secondary School High school/other
Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

Investigate the effect of the depth of the tube head on the height of the water columns. Show the results graphically. Which conclusions can you draw from the results?

Answer: Pressure in water (hydrostatic pressure) grows when going deeper. Hydrostatic pressure increases linearly when going deeper.

Exercise 3.1 B

Difficulty Secondary School High school/other
Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

Explore the dependence of gas volume and pressure on a graphical representation.

Answer: It is noticed that the pressure is inversely proportional to the volume, $p\propto\frac{1}{V}$

Exercise 3.1 C

Difficulty Secondary School High school/other
Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

How much pressure was in the balloon? The red liquid in the tube is water.

Answer: 102 kPa

Exercise 3.1 D

Difficulty Secondary School High school/other
Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

Is the pressure in the tire according to the manufacturer's recommendations?

Answer: No.