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Matter. What term is used to describe anything that has mass and takes up space?. mixture Substance element Matter. One example of changing a substance chemically is. filtering burning wood boiling water crushing a can. What is a NOT a method to separate mixtures?. adding an atom
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What term is used to describe anything that has mass and takes up space? • mixture • Substance • element • Matter
One example of changing a substance chemically is • filtering • burning wood • boiling water • crushing a can
What is a NOT a method to separate mixtures? • adding an atom • filtering • sorting • heating
Sugar and salt are examples of • atoms • elements • mixtures • substances
Substances that CANNOT be broken down chemically into other substances • elements • compounds • mixtures • solutions
What technique did miners useto separate gold from sand and dirt? • boiling • heating in charcoal • melting • panning (filtering)
Pure substances formed from chemical combinations of two or more different elements are called • compounds • elements • mixtures • solutions
Which type of matter consists of two or more substances that are NOT chemically combined? • mixtures • elements • compounds • pure substances
How do liquid water, ice, and water vapor differ from each other? • They are different compounds • They are made up of different kinds of atoms • They are different states of matter • They are made up of different molecules
A solid is a state of matter that has a(n) • indefinite volume and an indefinite shape • definite volume and definite shape • definite volume and an indefinite shape • indefinite volume and definite shape
What unit do we use to measure mass? • pounds • grams • milliliter • cubic meters
Which of the following are substances? • Elements • Soils • Tap water • brass
Which of the following is a mixture? • elements • salt • salt water • compounds
Chicken noodle soup and mixed nuts are examples of what type of mixture? • substances • compounds • homogeneous • heterogeneous
When gold reaches the point where it changes from a solid to a liquid, gold is said to have reached it’s • melting point • boiling point • freezing point • evaporation point
Which of the following is a way to measure the volume of an irregular object? • using the method of displacement • measuring the length, width and height then calculate using the formula LxWxH • pour liquid in a graduated cylinder and read themeasurement • Place liquid in a graduated cylinder, subtract the final measurement from the initial • slower • more unpredictable
How do elements and compounds differ? • Compounds are mixtures;elements are substances • Elements has more than one type of atom • Elements are mixtures • Elements have one type of atom; elements have more than one type
Which of the following has the highest viscosity? • milk • water • orange juice • corn syrup
A material that is malleable and conducts electricity is most likely • 1.wood • 2. ice • 3. metal • 4. motor oil 20
A substance has a melting point of 0 degrees C and a boiling point of 100 degrees C. The substance is most likely • 1. water • 2. hydrogen • 3. gold • 4. table salt 21
A mixture can be classified as a solution, suspension, or colloid based on the • 1. number of particles it contains • 2. size of its largest particles • 3. color of its particles • 4. shape of its smallest particles 22
Which of the following is a physical change? • 1. sawing a piece of wood in half • 2. burning a piece of wood • 3. rust forming on an iron fence • 4. a copper roof changing color from red to green 23
A material’s ability to burn in the presence of oxygen is called • 1. reactivity • 2. flammability • 3. malleability • 4. conductivity 24
Which of the following is NOT a cluethat a chemical change has occurred? • 1. change in color • 2. production of a gas • 3. formation of a solid (precipitate) • 4. change in shape 25
Which of the following is a chemical change? • 1. ice melting • 2. ice being carved • 3. water boiling • 4. water breaking down into hydrogen and oxygen 26