GRADE 7 - TRIVIA QUIZ

What is the way to express a very large and very small numbers?

• metric system

• conversion of units

• standard notation

• scientific notation

When using correct scientific notation, the base number or the numerical coefficient must fall between what numbers?

• 0.00 to 10.00

• 1.00 to 9.99

• -1 to +9

• +1 to -9

What is an educated guess based on your observations, research, and background knowledge? It is usually written as an “If…then…” statement.

• hypothesis

• conclusion

• problem

• experiment

Which variable is used to change the outcome of an experiment?

• independent

• dependent

• fixed

• controlled

Which variable refers to the aftermath of an experiment?

• independent

• dependent

• fixed

• controlled

What is 0.000000000000000000000000000000000662607004 in scientific notation?

• 6.62607004 × 10³⁵ Joule-seconds

• 6.62607004 × 10³⁴ Joule-seconds

• 6.62607004 × 10^-35 Joule-seconds

• 6.62607004 × 10^-34 Joule-seconds

If the Avogadro’s number is 102000000000000000000000, how is it expressed in scientific notation?

• 1.02 × 10²⁴

• 1.02 × 10²³

• 1.02 × 10 -²⁴

• 1.02 × 10^-23

Robin was asked to convert the length of an adult Hydrophis semperi (Lake Taal Sea Snake). If it can grow for as long as 750 millimeters. How long is the adult sea snake in cm?

• 7.5 centimeters

• 7.50 centimeters

• 75 centimeters

• 750 centimeters

Which of the following shows the correct

sequence of the Scientific Method?

I. Identify the problem

II. Draw conclusion

III. Gathering

and presenting data

IV. Analyzing data

V. Formulate hypothesis

VI. Test hypothesis

• I, II, III, IV, V, VI

• VI, V, IV, III, III, I

• I, V, VI, III, IV, II

• I, V, VI, IV, III, II

Max and Suzie are designing their own experiment when Professor Bauman reminded them to make sure they will do a fair test. What does fair testing in an experiment mean?

• You change all variables.

• You do not change anything at all and keep all conditions the same.

• You change only one dependent variable at a time and keep everything else constant.

• You change only one independent variable at a time and keep everything else constant.