Hello can someone help me out i will give brainliest. Chemical or physical change hw

20 and 24 are chemical the rest are physical

1. Fireworks: chemical,

2. Hair: physical

3. glow sticks: chemical

4.Baseball: physical

5.Popcorn: chemical

Explanation:

1. bc there are chemicals/powders

2. the hair is still hair, even if it is cut

3. You are combining chemicals, this cannot be un-done

4. The shards are still glass, they do not turn into another substance other than glass

5. You heated the popcorn, it "exploded", this cannot be undone