A student has three jars of powdered chemicals that are not labeled. One is salt, one is sugar, and the last one is baking soda. To figure out which is which, the student pours vinegar over each of them and one of them starts to bubble! What is the substance that reacts with vinegar?

A student compared an ice cube to the liquid water from the ice cube after it melted. Which of the following statements is an observation from the student's comparison?

This is a block of aluminum. Which of the following is NOT a property of this object?

Which answer choice(s) below are physical characteristics that can be gathered by observation?

Jerome is given a list of properties of a mystery substance. The list says:

• The mystery substance exists as a solid at room temperature
• The mystery substance is shiny
• The mystery substance can be bent with your hand
• The mystery substance is about 1 centimeter long.

Which of these is most likely Jerome's mystery substance?

Which of the following is an observable property of matter?

In a laboratory experiment, you are given a beaker of liquid and asked to determine what it is. You observe that:

-The liquid is clear

-The liquid is not odorless; it has a distinct smell

Which of the following statements is true?

True or False: Color is a physical property that is determined through observation.

True or False: The physical properties of matter can only be gathered through observation.

Which property identifies water vapor as a gas?