최신 Courses and Certificates Integrated-Physical-Sciences 무료샘플문제:
1. Which planet has had the greatest role in protecting Earth from comets?
A) Uranus
B) Jupiter
C) Saturn
D) Neptune
2. Commercial airline pilots seek out stable atmospheric conditions to ensure a smooth flight.
Which layers of the atmosphere are of most interest to airline pilots?
Choose 2 answers.
A) Stratosphere
B) Mesosphere
C) Troposphere
D) Thermosphere
3. Which question would be appropriate for an observational study?
A) Which type of glass best resists scratching?
B) What is the brightest star that can be seen from Earth?
C) How does the mass of a toy car affect how fast it rolls down a track?
D) Which type of rock dissolves fastest when exposed to acid rain?
4. Consider the location of nitrogen (N) on the periodic table
Which element has chemical properties that are similar to nitrogen's7
A) Phosphorus (P)
B) Silicon (Si)
C) Boron (B)
D) Neon (Ne)
5. A pet store worker prepares a saltwater tank for fish by pouring ocean salt into a tank of pure water.
How is the mass of the ingredients affected, according to the law of conservation of matter?
A) Themassof thepure water equals the mass of the salt water mixture.
B) Themassof thepure water and salt equals the mass of the saltwater mixture.
C) Themassof thesalt equals the mass of the pure water.
D) Themassof thesalt equals the mass of the salt water mixture.
질문과 대답:
| 질문 # 1 정답: B | 질문 # 2 정답: A,C | 질문 # 3 정답: B | 질문 # 4 정답: A | 질문 # 5 정답: B |
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