Simple Machines
Two circular objects that are fastened together which rotate around a common object.
wheel and axel
The category of energy of motion.
kinetic
During which step do you make an educated guess or prediction that describes what you think will happen?
Writing the hypothesis
Where is the strongest part of the magnet located?
North/South Poles
The first vaccine was for which disease?
small pox
“When you pull the rope down, the object goes up.” Which tool is that statement describing?
Pulley
As a rollercoaster rolls down a hill, does it gain more kinetic or more potential energy?
Kinetic
Arianna is testing out two brands of paper towel to see which brand soaks up the most water. What would be the independent variable in this experiment?
Brand of Paper towel
What type of heat transfer occurs only in liquids and gases?
Convection
How many signs are there in the Zodiac?
12
If an object is too heavy to move up a ramp, the most efficient solution is to
increase the ramp
Explain the transformation that takes place when you rub your hands together. (_____ to _____)
What is mechanical to thermal
Which variable goes on the Y-axis of a graph?
dependent
What are the three parts of an electromagnet?
Wire, Battery, Iron core
How many years must pass before you can celebrate a sesquicentennial?
150
A slide is an example of...
an inclined plane
As the speed of a falling object increases, its potential energy will _____________________.
Decrease
Sally wanted to test how the amount of sunlight affects plant growth. She put one daisy in the garden, one daisy in the window, and one daisy in the closet to test which plant grew the tallest.
What is the control variable(s) in this example?
the type of plant
When heat is transferred with two objects that are in direct contact, this is called what?
Conduction
Popular to contrary belief, Edison was not the first person to say let there be light, who was the first?
Humphry Davy
There are 6 basic simple machines, name them.
wheel & axle, lever, inclined plane, wedge, pulley, and screw
The energy transformations that occur in a flashlight. (_____ to _____ and ______)
What is chemical to electrical to radiant
What is the final step in the scientific method?
Writing a conclusion explaining your findings with evidence.
A giant wheel that spins inside of a generator from wind, water, or steam, is called a what?
Turbine
What blood type is the most common?
O positive