• What effect do roller coasters (or any other rides in that matter) have on the human body?

• How might the gravity react when rollercoaster twist turns and go in the air?

• What are the worst effects that can happen to a person after going on a roller coaster?

• What would happen if an elderly person (70 and above) went on a roller coaster? What effects would they suffer afterwards?

• What is the science behind creating a roller coaster?

Fantastic questions, Sophie. They should give us some interesting tasks. Well done!

• How might the gravity be different on a roller coaster?
• How many years does it take to build a roller coaster?

Great questions, Mia. The first question is very interesting.

• Is it possible for a roller coaster to break the sound barrier?
• How fast does a roller coaster need to go before G-Forces kick in and if possible, what do you need to do to stop this from happening?
• Is it safer or at least better for roller coasters to be powered by engines instead of converting potential energy into kinetic energy?
• What is the possible maximum amount of inversions on a roller coaster that is safe?
• How might roller coasters affect your body and brain?
• What different kinds of roller coaster are there?
• What's different and what's safer between wooden and steel roller coasters?

Da iawn, Alfie. You have come up with some very interesting questions.

• How might rollercoasters look in the future?
• How many times does a rollercoaster get checked and how often?
• What is the mechanism inside a rollercoaster?

Gwaith da, Toby. Your questions are sensible and will help us understand rollercoasters.