3. Fossil fuels

Question 1

Name 3 types of fossil fuels

Answer 1

Coal, oil, and gas.

Question 2

How is coal formed?

Answer 2

The result of mud using pressure and heat to squash dead plants and trees, preventing them to rot, which forms coal.

Question 3

How is oil formed?

Answer 3

Extreme heat and pressure from layers of limestones forces the remains of dead sea creatures into crude oil.

Question 4

How is gas formed?

Answer 4

The same process as oil only with more heat and pressure which boils the oil into gas.

Question 5

What does the pH scale range from and what part is acid, neutral, and base?

Answer 5

0-6 is acid, 7 is neutral, and 8-14 is base.

Question 6

If an anonymous substance’s colour is tested yellow, then is the substance acid, base, or neutral?

Answer 6

weak acid

Question 7

If an anonymous substance’s colour is tested purple, then is the substance acid, base, or neutral?

Answer 7

strong base

Question 8

If an anonymous substance’s colour is tested green, then is the substance acid, base, or neutral?

Answer 8

Neutral