Which state of matter has molecules that move fastest and spread to fill the space they are in?
What is a gas?
List one of the 6 pieces of evidence that you can use to identify if a chemical change has occurred
What is a permanent change in colour? Bubbles of gas are produced? Two solutions mix to form a solid? Energy in the form of heat or light is released or absorbed? The change is non reversible? Electricity is produced?
The ability of a substance to dissolve is known as
The smallest particle of any type of matter which has the properties of the element is known by which of the following terms?
What is an atom?
Which of the following is a physical property:
rusting, rotting, boiling, burning
What is boiling?
How do you properly smell a substance in lab?
What is wafting?
Denser liquids will be found towards the _______ (bottom or top) of a density column.
What is the bottom of a density column?
The temperature at which a solids becomes a liquid is its ____________________.
What is melting point?
What is a chemical property of paper?
What is flammability?
What is the difference between mass and weight?
What is mass is the total matter in an object, and weight is the downward pull of an object?
Which of the following is NOT an indicator that a chemical change has occurred:
a change in state, a change in color, a color change, bubbles.
What is a change in state?