Experiments & Data
The variable that stays the same throughout an experiment is known as -
the Constant/Control
1. Which layer is closest to earth's surface
2. Which layer of the atmosphere is the hottest?
1. Troposphere
2. Thermosphere
Which type of front does #2 represent?
Warm Front
In an atom, _______ are negatively charged, _______ are positively charged, and _______ have neutral or no charge.
a. electrons b. protons c. neutrons
On the periodic table the lines going vertically (up and down) are called what?
Groups
"The fruit punch is red and sweet." Is this an example of qualitative or quantitative data?
Qualitative
List the layers of the atmosphere in order from top to bottom.
1.Thermosphere 2.Mesosphere 3.Stratosphere 3.Troposphere
Which type of front does #4 represent?
Stationary Front
Which liquid contains molecules that will move fastest?
A. Cold Chocolate Milk
B. Hot Chocolate
C. Room-Temperature Chocolate Milk
B. Hot Chocolate
Groups on a periodic table tell us that these elements have __________ in common.
Similar Properties (physical & chemical)
Where are the Independent and Dependent variables found on a graph?
The I.V is found on the X axis.
The D.V. is found on the Y axis.
________ is the most abundant element found in the earth's atmosphere. It makes up ___% of the atmosphere
Nitrogen, 78%
Stationary
Place the following in order from most to least kinetic energy.
A. Liquid B. Gas C. Solid
Gas, Liquid, Solid
In your own words, describe the difference between a hypothesis, a theory, and a law?
Hypothesis - A simple educated guess.
Theory - An idea that is accepted by many scientists & experiments.
Law - A proven fact that is accepted by ALL scientists & experiments.
In earths atmosphere an increase in altitude will result in an ________ in pressure.
Decrease
Look at the Map.
Minneapolis will soon be affected by what type of front? What does this tell us about the type of weather that will occur there?
A. Cold Front
B. Thunderstorms, Heavy Rain, or Snow
Would a banana rotting be an example of a chemical or physical change?
Chemical
What happens to the particles in a substance when heat is added?
They begin to move faster. (Kinetic Energy is increased.)
Simon thinks that if you increase the amount of exercise a person does, their blood pressure will decrease. Identify the IV, DV, and 2 constants for this experiment.
IV:Amount of exercise DV:Blood Pressure
Constants: Person/Characteristics, Type of Exercise, Length of exercise etc.
What is the purpose of the Ozone Layer? In which layer of the atmosphere is it found?
Protects the earth's surface from the Sun's harmful UV rays; Stratosphere
What does the red L symbol signify? How will this affect the weather?
Low Pressure System; Precipitation, cloudy, windy
Which model is best represents our current model of the atom?
V
Name one element that will have similar chemical reactivity as Br.
F, Cl, I, At, Ts (Similar Group)