Scientific Method/Graphing
States of Matter
Density/ Volume/Mass
Elements
Science/RanDom
100
What is Problem, Hypothesis, Experiment, Observations/Collection of Data and Conclusion
Name the steps of the scientific method on order.
100
What are the four states of matter?
Solids, liquids, gases, plasma
100
What is the equation for density?
D= mass/ volume
100
What is the name of the table that organized all of the elements?
the periodic table
100
An educated guess is another name for an _________
Hypothesis
200
List five important components of a graph
Title, X and Y axis, labels, point of origin, scale
200
What are the difference in the particle arrangement of the four states of matter?
Solids: Fixed, vibrating, tightly packed Liquids: tight by able to move over and around one another Gases: Spread far apart not apart. Plasma: ionized, extremely spread apart.
200
What are the units of measurement? Volume, mass, Density
Volume: cm3, cc, ml, Mass: g Density: g/cc, g/cm3, g/ml
200
What information does each block on the periodic table provide?
Elements name, symbol, atomic mass and atomic number.
200
What are the charges of the three subatomic particles and specify their location?
Electrons: negative charge, outside the nucleus Protons: positive charge in the nucleus Neutrons: no charge inside the nucleus.
300
What are two other names for the problem in the Scientific Method?
Purpose, research question, problem statement
300
What is the difference between evaporation and condensation? provide an example for each.
Evaporation: Liquid to gas Condensation: gas to a liquid
300
What is a meniscus? Why is it a concave shape?
Line viewed during measuring process of liquids taken in a beaker/ graduated cyliner... Concave: Attracts to the molecules of the glass/plastic
300
Element Manganese: Whats its's atomic number? Atomic mass? How many protons, neutrons, electrons will this element have? How many energy shells/levels?
Number: 25 Mass:54.9 P: 25. N: 28 E: 25 Shells: 3
300
How would you measure the volume of a box that is 12 cm long, 30 cm wide and 6 cm high? What is the unit of measurement?
Obtain a ruler ( regular shaped object), measure the L, W, H of the object then multiple the sides. cm3
400
Dependent Variable is depended on the independent variable it changes and is manipulated by the Independent variable. Independent variable stands alone. IV: Amount of Oxygen DV: Crab reproduction Does the amount of oxygen affect the rate of crab reproduction?
What is the difference between a dependent variable and an independent variable? Identify the IV. and the DV in this statement.
400
.Explains what happens when and Ice cube is left outside on a hot summer's day.
Ice will melt turn to a liquid, evaporate and turn into a gas
400
.What is displacement? Explain the process of displacement (Step by Step).
Process of measuring the volume of an irregular shaped objects. Obtain a beaker, graduated cylinder, place water inside, get at eye level, record, gentle place in object, get at eye level, record the final measurement, and Subtract the initial volume from the final volume
400
Illustrations: Draw the Borh's Model of the element Phosphorus.
Show work on board.
400
How many electron can fit in the first, second, third and fourth energy levels?
2, 8, 18, 32
500
Name two types of graphs. When and why is it necessary to have a key.
line, bar, Pie, scatter plot Key: When comparing two or more variables? to show the relationship between the variables.
500
What are the three things that classify the states of matter?
particle arrangement particle movement temperature.
500
Calculate the differences in density between the two objects. Object A: Mass 120 g and Volume 254 ml Object B: Mass 234 g and Volume 346 ml
.204g/ml
500
Illustration: Bohr's model of the element Silver Atomic number, Mass, Symbol (Protons, Electrons, Neutrons)
On Board
500
Explain the changes in states of matter during ice cream lab.
Energy was transferred from our hands and environment to the ice, melting it, the salt decreased the temperature in the smaller bag turning the liquid into a solid.
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