Chemistry
Scientific Method Schmethod
Pendulum Power!
Burst my Bubble
Drawing a Conclusion
100
The smallest particle of an element (Like Carbon) that can exist alone or in combination is _________________________
An Atom
100
I am always in the form of a question and the first step. Who am I?
Purpose/Problem
100
Give me an example of a pendulum.
Yo-yo Swing That thing inside a bell etc
100
What shape were all free-floating bubbles no matter what tool you used?
Spheres
100
In Galileo's gravity, the marbles hit at the same time because...
Gravity pulls on everything equally
200
Two or more atoms held together by chemical bond (like NaCl aka Table Salt) is a ...
compound
200
I am the what and the why. I come at the end.
The conclusion
200
What is amplitude?
how far back you pull the pendulum
200
What shape were the bubbles on the lab trays?
hemispheres
200
When soap covers a Geo-Pane, it ....... because....
Covers the smallest surface (meets in the middle) because of cohesion
300
What force holds water molecules together?
Cohesion
300
If I play music to the corn plants, then the corn plants will grow more.
Hypothesis
300
During the human pendulum lab... what was your group's manipulated variable?
Bob mass or Amplitude
300
What happens when a small bubble is blown and is touching a larger bubble?
The smaller bubble pushes into the larger bubble because it has more pressure.
300
Make a quantitative statement.
Better have a number in it!
400
What is the difference between hydrophobic and hydrophilic?
Hydrophobic hates water Hydrophilic loves water
400
The corn that received the music grew an average of two inches more because music provided another source of stimulus for the corn. What step is this an example of?
Conclusion
400
What did we count in the pendulum labs for one minute each trial?
vibrations
400
The last color you see before a bubble pops is...
black
400
In the Water Rings Lab, the thread jumped and then sank when you touched the surface with soap because...
The soap weakened the water's surface tension
500
What is the attraction of unlike molecules called... like a drop of water on the faucet?
adhesion
500
Play loud music to ten corn plants for a month. Play no music to ten corn plants. Give them both the same amount of water and sunlight. Measure them after a month. What is the manipulated variable and the responding variable?
Manipulated Variable: Music Responding Variable: Corn's height
500
The only variable that changed the pendulums frequency was...
cord length
500
In the bubble surface lab (Which surface is best for blowing bubbles), what was the manipulated and responding variable?
Manipulated Variable: Surface type Responding Variable: Length of time bubble lasted
500
When we tested the different cup materials, what was the responding variable?
The temperature of the Liquid.
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