P.E. & K.E.
Variables in an Experiment
Ecology
Astronomy
Data Analysis
RANDOM
Motion
Waves
100
_________ energy is the energy of motion and ___________ energy is stored energy.
Kinetic ; Potential
100
The variable you change on purpose in an experiment
Independent Variable
100
Identify the correct predator/prey relationship:
Frog/fly
Dog/hummingbird
Fern/Rose
Cow/Cricket
Frog / Fly
100
What is one property of the outer planets, Jupiter, Saturn, Uranus, and Neptune?
They are mainly made of gas. (Hydrogen & Helium)
They are larger in size
They all have rings
100
The picture shows two metric scales, each holding some potatoes. What is the combined mass of the potatoes?
5.6 kg OR 5.7 kg
100
Look at the picture. What is the diameter of the quarter?
24 cm
100
The shortest length between your starting point and ending point.
Displacement
100
A disturbance that transfers energy from one place to another without transferring matter.
wave
200
Which cart has more potential energy?
Cart A
200
The number of variables that should be changed on purpose in a controlled experiment.
One
200
List a producer.
(ANY PLANT!)
200
Which position must the moon be for a solar eclipse?
Position C
200
How many students were in class on Monday?
6
200
Look at the pencil and ruler. What is the measurement of length of the pencil?
5.5 cm
200
How do you find the speed of a moving object?
Divide distance by time
200
In this transverse wave, what is the amplitude?
G
300
Look at the picture of the spring. When would the spring have kinetic energy?
When it is released after compression.
300
Which plant is considered the control group in this experiment?
The one not given fertilizer.
300
What is the picture below an example of?
Food Web
300
Robin is making a cardboard model of the solar system. How will he arrange the planets, below, according to their increasing distance from the center of the solar system.
Earth, Mercury, Venus, Mars
Mercury - Venus - Earth - Mars
300
This graph shows the number of tadpoles that hatched in water with different pH values. How many more tadpoles hatched in the water at a pH of 7 than a pH of 8?
35
300
Look at the diagram. Which event is being shown?
Lunar Eclipse
300
Speed in a given direction. Ex: 115 m/s North
Velocity
300
In this longitudinal wave, what is the compression?
The parts that are closer together.
400
The energy before a transformation will be (THE SAME / LESS THAN / MORE THAN) the energy after a transformation.
the same
400
A new sunscreen has been developed that is supposed to be more effective at preventing sunburn. 30 participants spray one arm with the new formula and spray the other arm with the leading formula. After 4 hours in the sun, their skin is evaluated for any redness.
What are the independent and dependent variables?
IV: Sunscreen used
DV: Redness of skin
400
What do plants use to make their own food?
Carbon Dioxide, Water, and Sunlight
400
Why does the sun look larger than other stars?
The sun is closer to earth than other stars.
400
This table lists the years that a certain comet was visible in the night sky. According to the table, in which year will the comet most likely appear again?
2013, 2018, 2024, or 2027
2024
400
What two factors impact gravity?
A) Mass and weight
B) Mass and Distance
C) Weight and Distance
B
400
Which line represents the child returning home?
B
400
For any wave, the __________ the amplitude, the more energy the wave carries.
LARGER
500
The sum of K.E. and P.E. is called
Mechanical Energy
500
What is the purpose of a control group in an experiment?
Used as a basis for comparison.
500
Label the different parts of the water cycle:
Ocean = A
A = Collection
B = Evaporation
C = Condensation
D = Precipitation
500
Sketch the Earth and Sun, during the N. Hemisphere's winter.
500
A scientist conducted an experiment to see how temperature affects the growth of bacteria colonies. This graph shows the number of colonies that grew at different temperatures. What conclusion can be made from this graph.
Bacteria grow best at 40 degrees C. I know this because the number of colonies is highest at this temperature.
500
This diagram shows the positions of Earth and the sun at four different times during a year. In which position would Earth be located during fall in the Northern Hemisphere?
Position 4
500
Amy runs 2 miles south, then turns around and runs 3 miles north. What is her total distance and displacement?
Distance: 5 mile
Displacement: 1 mile North
500
The change in direction of a wave that occurs as the wave changes speed when moving from one medium to another.
Refraction