Science 2 Question Preview (ID: 35427)
Science 2.
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A battery operated light bulb is shown. What energy conversions occur when the switch is closed?
a) chemical to electrical to light
b) light to electrical to thermal
c) thermal to electrical to light
d) light to chemical to electrical
Which occurs when the moon, sun, and Earth are in a straight line?
a) first quarter moon
b) third quarter moon
c) neap tide
d) spring tide
How is soil fertility in a deciduous forest dependent on the trees?
a) Fallen leaves decay and make the soil rich with organic matter.
b) The trees shade the ground so small amounts of light get through to the soil.
c) Tree roots keep rocks from breaking and adding minerals to the soil.
d) Large rocks help break down smaller rock and pebbles in forming soil.
The Gulf Stream is a warm water current that begins in the Gulf of Mexico. Which best describes the movement of the Gulf Stream?
a) Cold currents carry cold water from the polar zones toward the equator.
b) Warm currents carry warm water from the tropics toward the poles.
c) Warm currents carry cold water from the tropics toward the poles.
d) Cold currents carry warm water from the polar zones toward the equator.
The following is a process that takes place in the atmosphere. Solar energy--warm air rises-- air cools in upper atmosphere and sinks--air currents. This process can be identified as...
a) wind formation
b) cloud formation
c) precipitation runoff
d) static electricity
Which moon phase happens when the moon is beside the sun?
a) last quarter
b) full moon
c) waning gibbous
d) new moon
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 which conclusion?
a) Darkness will cause plants to grow.
b) Carbon dioxide is needed for growth.
c) Leaves need more time to grow.
d) Sunlight is needed for growth.
An object moves rapidly as it is thrown upward. Its motion slows as it reaches a max height, and then it falls back down. What causes the upward motion to become slower?
a) The kinetic energy is converted to wind energy.
b) The kinetic energy is converted to gravitational potential.
c) The gravitational potential is converted to kinetic.
d) The gravitational potential is converted to light energy.
Which type of moon will be viewed from Earth when Earth is between the sun and the moon?
a) waning gibbous
b) waxing crescent
c) new moon
d) full moon
Which of these contains bout abiotic and biotic elements in a desert environment?
a) rock and sunlight
b) water and pebbles
c) scorpions and sand
d) roadrunner and snakes
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?
a) clear and sunny
b) cool and rainy
c) rainy and windy
d) cloudy and cold
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