記憶度
4問
13問
0問
0問
0問
アカウント登録して、解答結果を保存しよう
問題一覧
1
In an area where a river has cut deep into Earth, there are several layers of very different rock exposed. The oldest rock layer is most likely to be the layer that is
below the other layers.
2
Which is a biotic component of the ecosystem?
Organism
3
To which type of sand stone belong?
Sedimentary
4
Which of the following provides evidence for plate tectonics?
sea-floor topography
5
A day on Saturn takes about 10 Earth hours. Which fact would best explain this short day?
Saturn rotates more rapidly than Earth.
6
How can you help minimize the heavy pollution that is caused by excessive carbon dioxide emissions in the surroundings?
Burry garbage rather than burn it
7
It is generally true that igneous rocks
are composed of silicate minerals.
8
The existence of extraterrestrial life may never be proven, but this idea will become more scientifically acceptable over time if
increasing scientific evidence supports the idea.
9
Why do we see the sun rise in the east?
The earth rotates counterclockwise
10
What phenomenon occurs when the length of day and night varies depending on the inclination of the earth’s axis? a. c. b. d.
Solstice
11
Why do four seasons occur on Earth?
The earth’s axis is tilted.
12
To which type of rock granite belong?
Igneous
13
During an investigation, we follow several steps. Arrange the following in the most logical manner? 1. Formulate a hypothesis 2. Perform an experiment 3. State the problem 4. Draw conclusions
3,1,2,4
14
Which of these could increase average global temperatures?
fuels increased use of fossil
15
Only about 50% of the solar energy directed toward Earth penetrates directly to the surface. What happens to the rest of the radiation?
It is absorbed or reflected by the atmosphere.
16
Stars begin their life cycle in ___
a nebula
17
As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms?
hydrogen and helium
18
Which type of volcano would be the least explosive?l
shield volcano
19
A device for measuring air humidity.
psychrometer
20
Which of the following is the best evidence that Earth’s continents were once in vastly different positions than they are today?
Fossils of tropical plants are found in Antarctica
21
The Moon is very hot on the side facing the Sun and very cold on the dark side. This extreme temperature difference is primarily due to the Moon’s
thin atmosphere.
22
Evidence suggests that Earth is about 4.6 billion years old, even though no Earth rocks have been found that can be dated at more than 4 billion years old. This discrepancy is most likely caused by Earth’s original crust being
subject to extensive erosion.
23
What type of thermonuclear reaction that occurs in the sun which generates a tremendous amount of energy?
Fusion
24
A teacher demonstrated the possible effects of acid rain by placing several types of rocks in separate beakers containing a vinegar solution with a pH of 3. As time passed, some of the solutions retained a pH of 3 while other solutions gradually reached a pH of 7. Which of the following best explains this variation of pH in this demonstration?
The rocks have varying chemical composition, so some but not all of them react with acid.
25
More solar energy reaches the equatorial regions than the polar regions because the equatorial regions _____
receive sun rays closest to vertical.
26
Why do mountain climbers use oxygen equipment at very high altitude?
There is less oxygen at higher atmosphere
27
A rift valley is evidence of which kind of plate boundary?
divergent
28
The Richter scale measures which of the following earthquake characteristics?
magnitude
29
The convergence of two continental plates would produce
folded mountains
30
Which of the following instruments can measure intensity of earthquakes?
Seismograph
31
Venus is warmed by solar radiation, but its thick cloud cover increases the temperature because the clouds ____
prevent the escape of heat into space.
32
Which of the following statements best describes how the planets of the solar system formed?
They formed from a nebular cloud of dust and gas