ILS Final Sem 1 Word Scramble

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

ILS Final Sem 1

Question	Answer
What is the definition of Science	System of knowledge and the methods used to find that knowledge
How are science and technology related	Advances in one leads to advances in the other
What are the branches of Natural Science	Physical, earth and space, life
How do Earth Science and Life Science overlap	Earth science studies systems that includes living things
What are the main ideas of Physical Science	Universe is very large and old, forces cause changes in motion, energy can not be destroyed, but it can change form
What are the building blocks of matter	atoms
What are the steps of the scientific method	making observations-obtaining information through senses,
Which step involves information gathered through the senses	observation
When a hypothesis is proven incorrect, what must you do	revise hypothesis
What is a scientific law	summarizes a pattern in nature
What is a model and why are they important	physical or mental representation of an object, visualize very large, small, or extinct objects
What is the most important safety rule	follow instructions
How do you write a decimal in scientific notation	0.000032=
How do you convert between SI units	conversion factors
What is precision	number of decimal points
Describe the Kelvin and Celsius scales for temperature	boiling 100C, 273K, conversion add 273 to C=K, K-273=C
What are the 3 types of graphs and what do they show	circle-parts of a whole, line, bar
What is the difference between a direct proportion and an inverse proportion	direct=both values increase or decrease, Inverse=as one increases the other decreases
Which leads to a straight line on a graph	direct- constant relationship between manipulated and responding
Why is peer review important	ex: articles, email, conferences-others look over work
What is a pure substance	made of one type of molecule, can not be broken down simply
What are the symbols for gold and aluminum	Au, Al
Why is water a compound	2 hydrogens for each oxygen
What is a mixture	substances together, but not chemically combined
What is the difference between homogeneous and heterogeneous mixtures	Homogeneous is the same throughout
What are the differences between a colloid, suspension, and a solution	Colloid is cloudy, suspension settles
What is malleability	can be pounded into thin sheets, metals
What is viscosity	resistance to flow
How does filtration separate mixtures	size
What is distillation	Used if particles are too small to filter
What is the difference between physical and chemical changes	physical- compostion does not change, chemical composition does change
What is flammability	Burning requires oxygen
What does reactivity mean	Easily combines with other substances
What are the signs of a chemical change	Bubbles, color change, precipitate
99% of all matter is in what phase	plasma
Define solid, liquid, and gas	solid= Def vol-Def shape, liquid=Def vol- no Def shape, Gas=No Def vol or shape
What is pressure	Force distributed over an area
How are pressure, temperature, and volume related	increse temp- increase pressure, decrease temp- decrease pressure
What is the equation for the combined gas law	(p1)(v1)=(p2)(v2)
t1 t2
How are vaporization and condensation related	vaporazation is the opposite of condensation
What happens to temperature during a phase change	Stays constant
Name and describe 6 types of phase change	Freezing, melting, boiling, condensing, sublime, deposition
What is the difference between and endothermic and exothermic change	endo- heat goes in, exo heat goes out
Who named the atom	Democritus
Describe the following models of the atom
Democritus	Solid indivisible ball
Rutherford	Positive nucleus
Dalton	atoms of different elements are different, compounds=ratio of elements are the same
Bohr	Electrons in paths around the nucleus like planets
What are the charges of the 3 subatomic particles	proton +, electron -., neutron neutral
What is the mass of the 3 subatomic particles	P and N= 1 AMU, E=1/2000 AMU
What is used to identify an element	Atomic number
What is the atomic number	Number of protons
What is an isotope	Atoms of the same element with different number of neutrons
Describe the electron cloud model	Electrons can be anywhere within an energy level, spend more time in dense areas
What is the difference between ground state and excited state electrons	Ground state has less energy

Created by: evroman on 2011-12-12