Hillary and Kendall
What is a lever?
opener, back of a hammer head, and a pencil are all types of levers. The vikings used a lever to lift wood and rocks. You can use a wheelbarrow for a lever. That's how a lever makes work easier.
How we use levers
A wheelbarrow is a lever the effort is when you lift it with your hands and the load is the stuff you put in it. A bottle opener is a lever. You are twisting it with your hands. A back of a hammer is a lever. You are pulling it with your hands. That is how you use a lever.