A student makes some observations about three solids and summarizes the results in the table below.
Which of the solids could be the same substance?
1 point
Clear selection
A student has a ball of wax. The wax is a pure substance. The student removes a small piece of wax from the ball. Which of the following statements is TRUE about what happens to the mass and melting point of the ball of wax after the piece is removed?
1 point
Clear selection
You find an object that is made of a pure metal. What could you do to identify which metal the object is made of?