Scientific Who?
A hypothesis must include which THREE words to be a great hypothesis?
A hypothesis must include which THREE words to be a great hypothesis?
If, then, and because
WHO discovered gravity and the Laws of Motion?
You only have to write their last name for full credit.
WHO discovered gravity?
Sir Isaac Newton
Which includes BOTH direction and magnitude?
A. Scalar
B. Vector
Which includes BOTH direction and magnitude?
B. Vector
Which state of matter has the least amount of kinetic energy?
A. Solid
B. Liquid
C. Gas
Which state of matter has the least amount of kinetic energy?
A. Solid
The ability to cause change or to do work is known as....
A. Work
B. Force
C. Time
D. Energy
The ability to cause change or to do work is known as....
D. Energy
Physical Science is the study of what two main areas?
A. Biology
B. Chemistry
C. Environmental Science
D. Physics
Physical Science is the study of what two main areas?
B. Chemistry AND D. Physics
A car with a mass of 1200kg accelerates at 3m/s/s. What is the net force of the car?
F=m*a
A car with a mass of 1200kg accelerates at 3m/s/s. What is the net force of the car?
3600 N
Av speed = total distance/total time
A cyclist travels 32 km in 2 hours and 13 km in 3 hours. What is the average speed?
9 km/h
Which phase of matter is the most common in the universe?
A. Solid
B. Liquid
C. Gas
D. Plasma
D. Plasma
True or False: If the statement is False, rewrite it to make it true.
Mechanical energy is the sum of kinetic energy and chemical energy.
FALSE
Mechanical energy is the sum of kinetic energy and POTENTIAL energy.
A negative exponent make a number...
A. larger
B. smaller
A negative exponent make a number...
B. smaller
Which of the Newton's Laws is the example below?
A manatee moves its flipper to the left and its body goes to the right.
Which of the Newton's Laws is the example below?
A manatee moves its flipper to the left and its body goes to the right. 3rd Law
What is the velocity of a plane that has traveled 1390m from Atlanta to New York 2 hours?
v = d/t
What is the velocity of a plane that has traveled 1390m from Atlanta to New York 2 hours?
695 m/h NORTH (or NE)
Solid --> Gas is known as what phase change?
A. Ionization
B. Deposition
C. Sublimation
D. Deionization
C. Sublimation
Which color has the longest wavelength on the visible light spectrum?
A. Red
B. Orange
C. Blue
D. Purple
Which color has the longest wavelength on the visible light spectrum?
A. Red
Independent variable goes on which axis of a graph?
Independent variable goes on which axis of a graph?
The X-axis!!!
What is the tendency of an object to resist a change in motion?
What is the tendency of an object to resist a change in motion?
Inertia
What is a skateboarder’s acceleration if they are traveling at 3m/s and come to a stop in 2 seconds?
Acceleration: (Final velocity - Initial velocity)/Time
What is a skateboarder’s acceleration if they are traveling at 3m/s and come to a stop in 2 seconds?
-1.5 m/s/s
Which of the following processes are exothermic?
A. Melting
B. Evaporation
C. Condensation
D. Sublimation
C. Condensation
Which type of heat transfer is the example below?
A. Conduction B. Convection C. Radiation
1. The dark side of the moon is much colder than the side facing the sun.
2. A thermometer heats up when immersed in a hot liquid.
3. Warm, moist air rises upward near the equator.
1. The dark side of the moon is much colder than the side facing the sun.
C. Radiation
2. A thermometer heats up when immersed in a hot liquid.
A. Conduction
3. Warm, moist air rises upward near the equator.
B. Convection
How many millimeters are in 4.7 meters?
KHDBDCM
How many millimeters are in 4.7 meters?
4700 mm
Two weight lifters are lifting 200N 2 meters over their heads. Lifter A does it in 2.6 seconds while Lifter B does it in 3.2 seconds, which one has more power and WHY?
Two weight lifters are lifting 200N 2 meters over their heads. Lifter A does it in 2.6 seconds while Lifter B does it in 3.2 seconds, which one has more power?
LIFTER A - same work, less time
What is the acceleration of gravity?
9.8 m/s/s
Look at the board..... which phase change is going from B --> C?
Evaporation
Which type of waves move parallel to the direction that the wave travels?
Which type of waves move parallel to the direction that the wave travels?
Longitudinal Waves