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Anything that has mass and takes up space.
What is Matter?
A property can be observed without changing the substance.
What is a physical property?
The smallest particle of matter.
What is an atom?
A combination of substances that are not chemically bonded.
What is a mixture?
The amount of matter in an object.
What is mass?
A change that does NOT create a new substance.
What is a physical change?
Density, color and melting point are examples of this type of property?
What are physical properties?
A substance made of only one type of atom.
What is an element?
Salt water is a this type of mixture.
What is a homogeneous mixture?
The amount of space an object takes up.
A sign that a chemical change has occurred.
What is gas production, color change, or temperature change?
Flammability and reactivity are examples of this type of property.
What are chemical properties?
Two or more atoms are chemically bonded together.
What is a molecule?
Fruit salad and gravel are examples of this type of mixture.
What is a heterogeneous mixture?
Mass divided volume.
What is density?
The rearrangement of atoms to form new substances.
What is a chemical reaction?
This property descrives how resistant a liquid is flowing.
What is viscosity?
A molecule made of two or more different elements.
What is a compound?
What is the substances keep their original properties?
The best method for finding the volume of an irregular object is.
What is water displacement?
This law states that matter is not created or destroyed during a reaction.
What is the law of Conservation of Matter?
Explain why density is considered a physical property.
What is it can be measured without changing the substance?
NH3 contains 4 atoms total and is classified as both of these.
What is a molecule and a compound?
Name the best method to separate iron filings from sand.
What is using a magnet?
An object has a density of 0.8 g/mL. Predict what happens in water.
What is it will float?