4. Fossi Fuels

Question 1

Define fossil fuels (1)

Answer 1

Formed millions of years ago from dead plant and animal matter

Question 2

Why are fossil fuels being used up (2)

Answer 2

~population growth

~industry expansion

Question 3

Name 3 sources that are less environmentally impacting than coal

Answer 3

~wind
~hydro
~solar
~nuclear

Question 4

Give an advantage and disadvantage of other electrical generation systems besides fossil fuels (2)

Answer 4

Advantage; smaller environmental impact

Disadvantage; expensive

Question 5

What is 2 things will save costs to customers and lessen impact of exploiting sources (2)

Answer 5

~better designs of buildings/appliances

~better practices in eneergy

Question 6

How do people stay warm in winter and cool in summer

Answer 6

Heat transferre

Question 7

How do we save money on heat transferre

Answer 7

Reduce heat transfer as we use less energy