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ATS-Science 8

Chpt. 3 & 4 Test Review-Matter/ Solid, Liquids, Gas

QuestionAnswer
Name the 4 states of matter solid liquid gas plasma
What is the difference between an amorphous and a crystalline? Amorphous: Has no rigorous structure and can change . Crystalline: Has an orderly 3_D structure.
The relationship between pressure, temperature and volume in "Boyle's law" is....? **The volume of gas varies with the PRESSURE** If the pressure increases, the volume decreases. If the pressure decreases, the volume increases.
What is the relationship between pressure, temperature and volume in "Charles' law"? **The volume of gas varies with the TEMPERATURE** If the temperature increases, then the volume also increases. If the temperature decreases, then the volume also decreases.
The temperature of a substance, during a phase change, usually INCREASES? DECREASES? or STAYS THE SAME? Explain why this happens..... STAYS THE SAME because the energy/heat is being used to break the bonds.
What is the difference between a homogenous mixture and a heterogeneous mixture? **Homogenous-you cannot see the individual parts. The entire mixture looks the same throughout. **Heterogeneous-yon can see the individual parts. The entire mixture looks different throughout.
Which liquid would be the most viscous? OIL? HONEY? or WATER? viscous means having a thick, sticky consistency between solid and liquid so it would be HONEY followed by oil, then water
Packet of Kool-Aid in water Solute is ? Solvent is ? Solute is Kool-Aid mix Solvent is the water
Instant coffee Solute is ? Solvent is? Solute is the instant coffee Solvent is the water
Solvent of 2% milk + Solute of Nestles Quik = ? Chocolate milk :-)
What is known as the universal solvent? Water
What are 3 ways you can increase the solubility of a solution of a solid into a liquid? You can MIX IT, HEAT IT, or CRUSH IT.
How can you increase the solubility of a gas in a liquid? By decreasing the temperature
Describe a solid- 1) the arrangement of particles are... 2) the shape and volume are... 3) give an example... 1) tightly packed, particles are vibrating in place 2) has a definite shape and a definite volume 3) a brick, a horseshoe, a lump of coal, a tootsie roll
Describe a liquid- 1) the arrangement of particles are... 2) the shape and volume are... 3) give an example... 1)particles flow past one another 2) no definite shape, but it does have a definite volume 3) water, coke, chicken broth
Describe a gas- 1) the arrangement of particles are... 2) the shape and volume are... 3) give an example... 1) particles are spread out and move quickly 2) no definite shape and no definite volume 3) oxygen, helium, propane
Describe a plasma- 1) the arrangement of particles are... 2) the shape and volume are... 3) give an example... 1) particles are moving so quickly that they violently collide together 2) no definite shape and no definite volume 3) the sun, lightening, the fireball of a nuclear explosion
Describe a compound- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1) a substance made up of 2 or more elements that are chemically combined 2) chemical 3) water, salt, hydrogen peroxide
Describe a element- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1)A substance that cannot be separated or broken down into simpler substances by chemical means 2)Cannot be broken down by physical OR chemical means 3)Anything on the Periodic Table
Describe a mixture- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1) A combination of 2 or more substances that are not chemically combined 2) Physical 3) Salad
Describe a solution- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1)A homogeneous mixture of 2 or more substances uniformly dispersed throughout a single phase 2) Physical 3) Salt water
Describe a colloid- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1) A mixture consisting of tiny particles that are intermediate in size between those in solutions and those in suspension and that are suspended in a liquid, solid, or gas 2) Physical 3) jello
Describe a suspension- 1) the definition... 2) the type of separation method (physical/chemical)... 3) give an example... 1) A mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas 2) Physical 3) Snow globe
Describe a metal- 1) the definition/properties... 2) the position on the periodic table 3) give an example... 1) An element that is shiny and that conducts heat and electricity well 2) Left hand side 3) Aluminum (Al)
Describe a nonmetal- 1) the definition/properties... 2) the position on the periodic table 3) give an example... 1) An element that conducts heat and electricity poorly 2) Right hand side 3) Helium (He)
Describe a metalloid- 1) the definition/properties... 2) the position on the periodic table 3) give an example... 1) Elements that have properties of both metals and nonmetals 2) Staircase down the middle 3) Boron (B)
Created by: glink