Jamal wanted to study the reactivity of six different metals, so he decided to conduct an experiment in the lab to further his investigation. He placed 5 grams of each metal into 200 milliliters of water and recorded how the metals reacted with water. Which part of his experiment produced empirical evidence?
Question 2
2.
Question 3
3.
A brick is cut into small pieces. Which physical property do the small pieces have in common with the brick from which they came?
Question 4
4.
Selena breaks a piece off the end of a stick she found and notes that a physical change has occurred. Which of the following properties of the remaining piece of the stick has changed?
Question 5
5.
Luster, hardness, color, size, and temperature are all examples of