Examples of Child Abuse:

•Hitting with a closed fist/beating
•Bruising/Cutting/Burning a child on purpose
•Verbally insulting/yelling at them constantly, especially when they’ve done nothing wrong
•Manipulation
•Neglect

Those are all examples physical, verbal and psychological abuse. Examples of things that are not child abuse include:

•Spanking
•Taking you child’s phone, other electronics and/or other privileges away
•Letting them know when they’ve done something wrong
•Raising your voice
•Grounding
•Reasonably punishing them for bad grades

Understand that punishment is sometimes necessary in order for some children, teens and adults to learn what is and is not okay to do. People on tumblr are always preaching about how not everyone learns the same when it comes to academics, the same goes for behavior. 

Some children need reward/positive reinforcement to do what they’re told, a few children don’t need anything, and some children need a negative response to know that what they’re doing is bad. There’s nothing wrong with negative responses as long as it doesn’t become abusive.