This is regarding my project about brittleness

What do YOU think ?
While we're happy to HELP we won't do all the work for you.
Show us what you have done and where you are having problems..

Most solids are breakable if thin enough or hit with enough blunt force..

An example of it is steel

an example of it is steel
Your child should be old enough to do their own research. If not, the teacher should have provided a list of topics.