Question

2. While burning the wood, the chemical energy changes to
(a) kinetic energy
(b) heat energy
(c) potential energy
(d) mechanical energy
3. When you kick a ball lying on the ground, the potential energy changes to
(a) heat energy
(b) electrical energy (c) kinetic energy (d) nuclear ener
4. Which of the following is not a unit of energy?
(a) Joule
(b) Nm
(c) Newton
(d) Calorie
5. When fire crackers burst, the chemical energy changes to
(a) heat energy
(b) sound energy
(c) light energy
(d) heat, sound and light energy​

Answer 1

Answer:

Such a big question

Explanation:

please keep it short

Answer 2

Answer:

Kinetic energy

Kinetic energy

Newton

heat, sound and light energy