Recap: Conventions for measurements in physics

This is an intro game to refresh IB physics students' memory on the concepts of section 1.1 of the syllabus.

Science

2 plays

11 questions

Isabelle

•about 6 years ago

Question 1

Multiple Choice

1 point

Which of these units is not a fundamental unit?

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Question 2

True/False

1 point

1 N, expressed in fundamental units is 1 kg.s^2/m

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A.True

B.False

Question 3

Numerical Answer

1 point

How many significant figures does the number 0.00024 have?

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Question 4

Numerical Answer

1 point

How many significant figures does the measurement result 2400 g have?

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Question 5

Numerical Answer

1 point

How many significant figures does the measurement result 0.240024 L have?

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Question 6

Numerical Answer

1 point

How many significant figures does the measurement result 24.0 K have?

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Question 7

Multiple Choice

1 point

What is the correct answer to: 12.1 kg + 3.36 kg?

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A.15.46 kg

B.16 kg

C.15.4 kg

D.15.5 kg

Question 8

Multiple Choice

1 point

What is the result of the density using the following measurements? m = 30.0 kg and V=5.0 m^3? (knowing that density = m/V)

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6 kg/m^3

6.0 kg/m^3

6.00 kg/m^3

Question 9

Multiple Choice

1 point

Without using a calculator, find the result of the calculation: (2.0x10^3)^2 / (1.5x10^4+5x10^3)?

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A.2 x 10^2

B.2 x 10^(-2)

C.8 x 10^(-3)

Question 10

Ordering

1 point

Order the following results of measurements from smallest to largest value.

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2.5 kJ

2.5 x 10^6 cJ

0.25 fJ

2.5 TJ

2.5 x 10^(-14) J

0.00025 PJ

Question 11

Numerical Answer

1 point

Estimate (without using a calculator) the magnitude of the area of a circle with radius 11.1 m. (only enter the numerical value)

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