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Science 2
Test Description: Science 2
Instructions: Answer all questions to get your test result.
1) A battery operated light bulb is shown. What energy conversions occur when the switch is closed?
A
thermal to electrical to light
B
chemical to electrical to light
C
light to chemical to electrical
D
light to electrical to thermal
2) Which occurs when the moon, sun, and Earth are in a straight line?
A
neap tide
B
third quarter moon
C
first quarter moon
D
spring tide
3) How is soil fertility in a deciduous forest dependent on the trees?
A
The trees shade the ground so small amounts of light get through to the soil.
B
Fallen leaves decay and make the soil rich with organic matter.
C
Large rocks help break down smaller rock and pebbles in forming soil.
D
Tree roots keep rocks from breaking and adding minerals to the soil.
4) 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
Warm currents carry cold water from the tropics toward the poles.
B
Cold currents carry warm water from the polar zones toward the equator.
C
Warm currents carry warm water from the tropics toward the poles.
D
Cold currents carry cold water from the polar zones toward the equator.
5) 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
precipitation runoff
B
cloud formation
C
wind formation
D
static electricity
6) Which moon phase happens when the moon is beside the sun?
A
new moon
B
last quarter
C
waning gibbous
D
full moon
7) 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.
8) 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 gravitational potential is converted to kinetic.
C
The gravitational potential is converted to light energy.
D
The kinetic energy is converted to gravitational potential.
9) Which type of moon will be viewed from Earth when Earth is between the sun and the moon?
A
full moon
B
waning gibbous
C
waxing crescent
D
new moon
10) Which of these contains bout abiotic and biotic elements in a desert environment?
A
roadrunner and snakes
B
water and pebbles
C
scorpions and sand
D
rock and sunlight
11) 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
cool and rainy
B
rainy and windy
C
clear and sunny
D
cloudy and cold
*select an answer for all questions
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