Mediation to ground is often over looked when it comes to young witches that wish to practice. I know I was one of them that over looked it at the start of my path, but grounding does not need to look like a chore. To me anything connecting to the earth world is a form of grounding since Earth is unique in what she has to offer. You must remember the list below needs to have the intention that you are trying to ground to gain the full benefit.
You can say the following line to help you when it comes to grounding.
"I am grounded."
As you do the following task that may help you with grounding.
Green or brown shirts
Colour has energy and the clothes one wear also have energy. If you have brown or green shirts put one on for the day and tell yourself that you are grounded. This helps to connected to earth in its own way, since green may be seen as the colour of money it's also seen as the colour of trees and grass. Which is one of the many things that earth is known for. Brown is also seen as the colour of dirt.
Technology
As odd as it may sound I use to work with technology in my early days of my path to help me feel reconnected. Technology reminds me of earth and it brings my head back into reality especially when I see those emails I need to answer.
Walking/ running or outside
Naturally going outside will help you reconnect with earth. Take your dog out for a walk that's probably begging you for a walk anyway and go for a run with the intention to ground yourself. This is a great way for people whom have trouble sitting for long periods of time.
Crystals
Do some research for this one, but crystals can help you ground yourself.
Dance
Dance is a great way to get into the zone and a great way to ground.
Have fun with your animals
Another simple way is just have fun with your animals, for those that have pets just go out and play along side them.
Gardening
Maybe try and grow a sunflower and let your hands sink into the dirt.
This is just a small list on what you can work with to help you ground.