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Science 6
Science 7
Science 8
Science 9
Science10
100
Wind is considered a renewable resource because the energy that drives the wind originally comes from? (Question 2)
(F) Oxygen
100
The length of time it takes Earth to rotate once on its axis is called a (question 3)
(D) day
100
Which organisms in the food chain is a producer? (Question 1)
(A) grass
100
Which hot and dry biome is home to large herds of herbivores that feed on the many kinds of grasses? (Question 4)
(J) savannah
100
Which set of objects best conducts electricty? (Question 6)
(F) an iron washer and a metal fork
200
Which is a biotic factor of an alpine forest? (Question 9)
(A) elk
200
Early satellites were used to monitor weather. In which other area have satellites most benefitted humans? (Question 11)
(B) science
200
Which occurs when the moon, the sun, and Earth are in a straight line? (Question 13)
(D) spring tide
200
How is soil fertility in a deciduous forest dependent on the trees?
(F) Fallen leaves decay and make the soil rich with organic matter.
200
Three healthy plants are placed in a dark cabinet. Another three are placed in a window. All the plants are given the same amount of water. After one month, only the plants in the window are living. These results support with conclusion? (Question 20)
(J) Sunlight is needed for growth.
300
An object moves rapidly as it is thrown upward. Its motion slows as it reaches a maximum height, and then it falls back down. What causes the upward motion to become slower? (Question 21)
(B) The kinetic energy is converted to gravitational potential energy.
300
A rubber band is stretched between a person's fingers and then is released. This best demonstrates (Question 24)
(J) potential and kinetic energy.
300
On a summer evening, a barometer reading shows a gradual increase in air pressure. The humidity is 80%. The thermometer reading is slightly increasing. Based on these data, what type of weather should be expected for the next day? (Question 25)
(A) clear and sunny
300
A meterologist used radar to analyze the wind during a storm in the central plains of the United States. The winds were measured at 145 miles per hour and were moving in a circular pattern. According to the data, which event was the meteorologist most likely observing? (Question 28)
(G) tornado
300
Which type of energy is converted when fireworks release heat, light, and sound? (Question 30)
(H) chemical potential energy
400
A students sees the moon and says, "The moon looks larger than the stars." Which best explains why the student makes this observation? (Question 31)
(B) The moon is closer to Earth than the stars.
400
What energy conversion occurs when a person rubs his or hands together rapidly? (Question 36)
(J) kinetic energy to thermal energy
400
What type of energy transfer is taking place as the coils in a toaster heat? (Question 39)
(D) electrical to radiant
400
Which type of energy will be greatest at the top of the hill? (Question 43)
(D) gravitational potential energy
400
When a button is pushed, a circuit is completed and a buzzer is activated. The buzzer transferred electrical energy into (Question 45)
(A) sound energy
500
Which is the best example of an assistive bioengineered product? (Question 46)
(G) a computer program that helps a paralyzed person control a wheelchair
500
Which is the best example of chemical potential energy? (Question 49)
(C) a fuel tank containing gasoline
500
Which most likely causes the movement of warm surface ocean currents? (question 54)
(F) Sunlight heats air forming strong winds that push currents.
500
A ball is at rest until a paddle exerts force. What kind of energy is shown by the ball as it is moving away from the paddle? (Question 64)
(G) kinetic energy
500
Which activity within our solar system takes approximately one year to complete? (Question 69)
(C) Earth revolving around the sun once.