An object has a mass of 60 g and a volume of 30 mL. This is its density. (density = mass / volume)
What is 2 g/mL?
100
These properties may change due to amount. (intensive / extensive)
What are extensive properties?
100
Breaking a wooden board into two pieces is an example of this kind of change.
What is a physical change?
100
The Law of Conservation of Mass states that matter can neither be created nor destroyed, but it can do this.
What is change forms?
200
This is the measurement of the amount of gravitational force on an object.
What is weight?
200
An object's volume measures 2.5 L and its mass measures 14.5 kg. This is its density. (density = mass / volume)
What is 5.8 kg/L?
200
These properties refer to a substance's ability to change into other substances. (physical / chemical / intensive / extensive)
What are chemical properties?
200
Melting solid iron is an example of this kind of change.
What is a physical change?
200
These are the products in chemical equation #1 on the whiteboard.
What are MgCl2 and 2H2O?
300
This may be measured in kiloliters.
What is volume?
300
The density of a substance is 15 g/mL. Its volume is 5 mL. This is its mass. (density = mass / volume)
What is 75 g?
300
Mass and weight are examples of these types of properties. (physical / chemical and intensive / extensive)
What are physical and extensive properties?
300
Production of an odor or gas, change in color, or change in energy are types of evidence that this kind of change is present.
What is chemical change?
300
If an apple with a mass of 100 g is cut into pieces three pieces, and the first two pieces measure 35 g and 40 g, this is the mass of the third piece.
What is 25 grams?
400
If an object weighs about 60 newtons on earth, and Jupiter's gravity is about 2.6 times the gravity on earth, then this is the object's approximate weight on Jupiter.
What is 156 newtons?
400
An object has a volume of 30 cm^3 and a mass of 45 g. This is what it will do in water. Hint: Water has a density of 1 g/mL. (density = mass / volume)
What is it will sink?
400
Color, solubility, and thermal conductivity are examples of these kinds of properties. (physical / chemical and intensive / extensive)
What are physical and intensive properties?
400
A cow's body mixes water with fat globules, protein, lactose, and minerals. We call this mixture milk. Mixing these ingredients to make milk is an example of this kind of change.
What is physical change?
400
When a gas is produced, the Law of Conservation of Mass often can only be observed if the change occurs within this.
What is a closed system?
500
If an object has a mass of 91,000 grams on Earth, and the gravity on Mars is 0.38 of Earth's gravity, then this is the object's mass on Mars.
What is 91,000 g?
500
An object has a mass of 60 g. Its density is 5 g/cm^3. This is its volume. (density = mass / volume)
What is 12 cm^3?
500
Of the following, these are intensive properties:
mass, weight, volume, density, temperature, state of matter, boiling point
What are density and boiling point?
500
When milk spoils, natural bacteria in the milk eat the natural sugars in milk, called lactose. As they digest lactose, a number of byproducts are produced, including lactic acid. The spoiling of milk that causes a production of lactic acid is an example of this kind of change.
What is chemical change?
500
This is the number of oxygen (O) atoms on the reactants side of chemical equation #2.