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WorksheetsHard-Level Multiple Choice Questions
Total questions: 5
Worksheet time: 50secs
Which property explains why oil floats on water?
Oil is heavier than water
Oil is less dense than water
Oil and water are the same substance
Oil evaporates faster than water
Scenario: Anna receives a long binary number from a file transfer log: 110111101111. To compress the log data, she decides to convert it into hexadecimal. What is the hexadecimal equivalent?
DEF
DFF
DFA
DEE
Why do solar and lunar eclipses not occur every month even though the Moon orbits Earth regularly?
The Moon moves too slowly.
Earth sometimes stops rotating.
The Moon’s orbit is tilted compared to Earth’s orbit.
The Sun’s light does not always reach Earth.
Scenario: Sofia is decoding a binary data stream. She encounters the value 111011110101101 and needs to store it in hexadecimal for easier reading. Which hexadecimal number should Sofia record?
1DD5
1EF5
1DE5
1DF5
If a recessive trait (r) is masked by a dominant trait (R), which offspring would show the recessive trait?
RR
Rr
rr
RRR
