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Matter Test

QuestionAnswer
What is the difference between the two kinds of pure substances? Compounds and elements; compounds are chemically combined and made of multiple atoms or elements while elements are only made up of one type of atom and they can't be separated. Elements have their own box on the periodic table.
What are some characteristics of the molecules and atoms of a solid? Together, compact, organized, slow speed
What are some characteristics of the molecules and atoms of a liquid? Spread out, not organized, medium speed
What are some characteristics of the molecules and atoms of a gas? Everywhere, fill up container, fast speed
What is the difference between vaporization and sublimation? Vaporization is when a liquid turns into a gas while sublimation is when solid turns into a gas
How could you use indirect measurement to find the volume of a rock? Displacement
What is an example of water in each phase of matter found on Earth? (underground, above ground, air (sky)) Underground: underwater bikes; above ground: ocean, lake; air (sky): clouds, water vapor
What is an object with relatively large mass but has a relatively small volume? A bowling ball, small weights
What is an object with relatively large volume but has a relatively small mass? A balloon, bean bag
The density of copper is 8.9 g/cm3 and the density of platinum is 21.4 g/cm3. Which object has more atoms packed into it? Platinum because the atoms are more compacted in the platinum
The Dead Sea's density is 1.166 g/mL and regular freshwater lakes have a density of 1.00 g/mL. Which would it be more easier to float in and why? The Dead Sea because it has a higher density so it would be easier to float on
The transformation from a solid to a gas is called what? Sublimation
The transformation from a gas to a solid is called what? Deposition
The transformation from a solid to a liquid is called what? Melting
The transformation from a liquid to a solid is called what? Freezing
The transformation from a liquid to a gas is called what? Evaporation
The transformation from a gas to a liquid is called what? Condensation
What is an example of sublimation? Dry Ice
What is an example of deposition? Water vapor changing into ice; frost
What is an example of melting? An ice cub melting into a liquid
What is an example of freezing? Water turning into an ice cube whenever you put it in the freezer in ice cube things
What is an example of evaporation? When it's very sunny and there is water on the ground or in lakes or something, the water is evaporated and it turns into a gas and it goes up into the clouds; boiling water
What is an example of condensation? After the water is evaporated from the ground or lake and it turns into a gas and goes into the clouds, the gas turns back into a liquid because it turns into rain; glass sweating
What is Iron (Fe)? Element
What is Chex Mix? Heterogeneous Mixture
What is Salt? Compound
What is Cobalt (Co) Element
What is Iron Oxide (Fe2O3)? Compound
What is Salt and Sand? Heterogeneous Mixture
What is Lemonade? Homogeneous Mixture
What is Carbon Monoxide (CO)? Compound
What is Iron and Sugar? Heterogeneous Mixture
How would you separate Chex Mix? With your hands; you can sort it
How would you separate Salt and Sand? Add water, filter it, boil it
How would you separate Lemonade? Filter it, boil it (it will evaporate)
How would you separate Iron and Sugar? Hold a magnet above to take out all the Iron Fillings
What is matter? Anything that has mass and takes up space (volume)
Matter is split into two types of substances. What are these substances? Pure substances and mixtures
Pure substances are split into two types of substances. What are these substances? Elements and compounds
Mixtures are split into two types of mixtures. What are these mixtures? Heterogeneous Mixture and Homogeneous Mixture
What is an element? Contain only one type of matter. It cannot be separated into simpler materials. Can be found on the periodic table.
What are some examples of elements? Gold (Au), Magnesium (Mg), Chlorine (Cl), Hydrogen (H)
What is a compound? Contains more than one kind of matter that is chemically joined together. It can't be physically separated.
What are some examples of compounds? Baking Soda (NaHCO3), Vinegar (C2H4O2), Water (H2O)
What is a mixture? A combination of two or more pure substances that are not chemically combined. They are physically combined and can be easily separated by physical means. Such as filtering, cooling, sorting, or heating.
What is a Homogeneous Mixture? A mixture that is that same throughout. They are often solutions.
What are some examples of a Homogeneous Mixture? Whole milk, lemonade, brass
What is a Heterogeneous Mixture? A mixture that is not the same throughout.
What are some examples of a Heterogeneous Mixture? Lucky Charms cereal, salad, chicken noodle soup
Is an element a Homogeneous Mixture or a Heterogeneous Mixture? Homogeneous Mixture
Where are all the elements listed? Period Table of Elements
Is a compound a Homogeneous Mixture or a Heterogeneous Mixture? Homogeneous
Does separating a compound require a physical or chemical reaction? Chemical reaction
Is there reaction between substances in a mixture? No, there is no reaction
Mixtures that are uniform are called what? Homogeneous Mixtures
Mixtures that are non-uniform are called what? Heterogeneous Mixture
Can mixtures be separated into their components by a physical reaction or a chemical reaction? Both, they can be separated physically or chemically
How many types of atoms are present in a pure element? Only one type of atom
In a mixture, are the atoms combined or uncombined? Uncombined
How many compounds are present in a pure compound? One compound
In a mixture of two compounds, how many types of compounds are present? Two types of compounds are present
What are properties of matter? How we describe and classify matter
What are physical properties? Can be observed or measured without changing the composition
What are intensive properties? Properties that do not depend on the amount of matter present
What are extensive properties? Properties that do depend on the amount of matter present
What are chemical properties? Properties of matter that may be measured by performing a chemical reaction. It changes the substance you're measuring into a new substance.
What are characteristic properties? A property that helps identify the substance
Density? Describes the relationship between the mass and volume of an object and how tightly packed the atoms or molecules are in a substance
Hardness? Measures how difficult it is to scratch an object
Elasticity? Measures an object's ability to be stretched and return to its original size. Gives objects the ability to bounce without breaking.
Brittleness? Measures an objects tendency to shatter upon impact
Malleability? Measures how easy it is to pound something into thin sheets
Tensile Strength? Measures how hard it is to break something by pulling it. Important property of wires.
Buoyancy? The force exerted on an object in a liquid is equal to the weight of the fluid displaced by the object. If the buoyant force is greater than its weight, the object floats.
Viscosity? Measures how slowly a liquid pours
Phase? The states in which matter can exist as a solid, liquid, or gas
Conductivity (heat or electricity)? A measure of a material's ability to conduct an electric current (or heat)
Solubility? A measure of one substance's ability to dissolve in a specific amount of another substance (at standard temperature and pressure)
Magnetism? A property conducted by the motion of electric charge, resulting in attractive and repulsive forces between objects
Freezing Point or Melting Point? Freezing Point: The temperature at which the liquid freezes to become a solid; Melting Point: The temperature at which the solid melts to become a liquid. For each substance, freezing point=melting point.
Boiling Point? The temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor (AKA a gas)
Ductility? The ability in a material, like steel, to be drawn out into thin wires without breaking
Mass? Amount of matter in an object
Luster? The way light interacts with the surface of a substance. How bright it is or how it shines.
pH? A measurement of how acidic or basic a substance is
Volume? Amount of space a substance occupies
Reactivity? The rate at which a chemical substance tends to undergo a chemical reaction
Ability to rust? The ability of a substance to react with oxygen and moisture to create a reddish flaky coating
Flammability? The ability of a substance to burn or ignite, causing fire or combustion
Toxicity? The degree to which something is poisonous
Is density a physical or chemical property? Intensive or extensive? Physical; Intensive
Is hardness a physical or chemical property? Intensive or extensive? Physical; Intensive
Is elasticity a physical or chemical property? Intensive or extensive? Physical; Intensive
Is brittleness a physical or chemical property? Intensive or extensive? Physical; Intensive
Is malleability a physical or chemical property? Intensive or extensive? Physical; Intensive
Is tensile strength a physical or chemical property? Intensive or extensive? Physical; Intensive
Is buoyancy a physical or chemical property? Intensive or extensive? Physical; Intensive
Is viscosity a physical or chemical property? Intensive or extensive? Physical; Intensive
Is phase a physical or chemical property? Intensive or extensive? Physical; Intensive
Is conductivity (heat or electricity) a physical or chemical property? Intensive or extensive? Physical; Intensive
Is solubility a physical or chemical property? Intensive or extensive? Physical; Intensive
Is magnetism a physical or chemical property? Intensive or extensive? Physical; Intensive
Is freezing point or melting point a physical or chemical property? Intensive or extensive? Physical; Intensive
Is boiling point a physical or chemical property? Intensive or extensive? Physical; Intensive
Is ductility a physical or chemical property? Intensive or extensive? Physical; Intensive
Is mass a physical or chemical property? Intensive or extensive? Physical; Extensive
Is luster a physical or chemical property? Intensive or extensive? Physical; Intensive
Is pH a physical or chemical property? Intensive or extensive? Chemical; It doesn't have extensive or intensive properties
Is volume a physical or chemical property? Intensive or extensive? Physical; Extensive
Is reactivity a physical or chemical property? Intensive or extensive? Chemical; It doesn't have extensive or intensive properties
Is the ability to rust a physical or chemical property? Intensive or extensive? Chemical; It doesn't have extensive or intensive properties
Is flammability a physical or chemical property? Intensive or extensive? Chemical; It doesn't have extensive or intensive properties
Is toxicity a physical or chemical property? Intensive or extensive? Chemical; It doesn't have extensive or intensive properties
What are atoms? The smallest possible particle of an element
What are molecules? The smallest possible particle of a compound
Atoms and molecules are always in motion. True or False? True
What do molecules do in a solid? They vibrate but they can't switch places with other molecules
Do the molecules in a liquid move faster or slower than a solid? Faster
Can the molecules of a liquid slip out of position? Yes, because liquid is not a definite shape
Why do liquids flow? Because the molecules in a liquid can move
Liquids have a definite ____________________ but not a definite _________________. Volume; Shape
Molecules are slow in gases and are closely packed together. True or False? False; Molecules move very fast in gases and they are widely spread out and separated
Created by: 1962116900