Lesson 3.1.3
3.1.3 Estimation of physical quantities Quiz: AQA Physics, Unit 1
20 questions
In partnership with Revision Ninja
Lesson 3.1.3, Estimation of physical quantities: 20 multiple choice questions for the AQA Physics (7408), Unit 1: Measurements and their errors, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
Estimating a quantity to the nearest order of magnitude rounds to which value?
- Nearest whole number
- Power of ten
- Significant figure
- Decimal place
-
What is the typical height of an adult human to the nearest order of magnitude?
- 0.1 m
- 10 m
- 1 m
- 100 m
-
To the nearest order of magnitude, what is the radius of the Earth?
- 10^7 m
- 10^6 m
- 10^5 m
- 10^8 m
-
What is the nearest order of magnitude of the mass of an electron?
- 10^-30 kg
- 10^-31 kg
- 10^-27 kg
- 10^-24 kg
-
What is the approximate order of magnitude of the density of air at room conditions?
- 1000 kg m^-3
- 1 kg m^-3
- 10 kg m^-3
- 0.001 kg m^-3
-
To the nearest order of magnitude, what is the Sun-Earth distance?
- 10^9 m
- 10^13 m
- 10^11 m
- 10^8 m
-
Assuming the heart beats about once per second, what is the nearest order of magnitude of the number of beats in 70 years?
- 10^9
- 10^6
- 10^7
- 10^12
-
Light travels across a room of width 5 m. What is the nearest order of magnitude of the time taken?
- 10^-8 s
- 10^-4 s
- 10^-6 s
- 10^-10 s
-
A typical adult has a mass of 70 kg. What is its nearest order of magnitude?
- 10^1 kg
- 10^0 kg
- 10^2 kg
- 10^3 kg
-
A car of mass 1000 kg moves at 20 m/s. What is the nearest order of magnitude of its kinetic energy?
- 10^6 J
- 10^3 J
- 10^4 J
- 10^5 J
-
A 70 kg person has a weight of about 700 N. What is the nearest order of magnitude of the weight?
- 10^4 N
- 10^3 N
- 10^2 N
- 10^1 N
-
How much power is needed to lift a 70 kg person by 3 m in 1 s, to the nearest order of magnitude?
- 10^3 W
- 10^1 W
- 10^2 W
- 10^4 W
-
A snail moves at about 1 mm per second. What is its speed in m/s to the nearest order of magnitude?
- 10^-1 m/s
- 10^-3 m/s
- 10^-2 m/s
- 10^-4 m/s
-
A student walks at 1.4 m/s for one hour. What is the nearest order of magnitude of the distance walked?
- 10^3 m
- 10^2 m
- 10^4 m
- 10^5 m
-
A current of 1 A flows past a point. What is the nearest order of magnitude of the number of electrons passing per second?
- 10^19
- 10^20
- 10^18
- 10^16
-
What is the approximate number of seconds in a year, to one significant figure?
- 3 × 10^3 s
- 3 × 10^7 s
- 3 × 10^5 s
- 3 × 10^9 s
-
A room measures 4 m by 5 m by 3 m and air has a density of 1.2 kg m^-3. What is the nearest order of magnitude of the mass of air in the room?
- 10^1 kg
- 10^4 kg
- 10^2 kg
- 10^3 kg
-
What is the estimated order of magnitude mass of a typical adult human, 70 kg?
- 10^3 kg
- 10^2 kg
- 10^0 kg
- 10^1 kg
-
A computer draws 300 W for 10 hours. What is the nearest order of magnitude of the energy used in joules?
- 10^8 J
- 10^7 J
- 10^5 J
- 10^6 J
-
Visible light has a wavelength of about 500 nm. What is the nearest order of magnitude of its wavelength in metres?
- 10^-7 m
- 10^-6 m
- 10^-5 m
- 10^-9 m
Related quizzes
- Use of SI units and their prefixes Quiz · 3.1.1 · 20 questions
- Limitation of physical measurements Quiz · 3.1.2 · 20 questions
- Medical physics: eye, ear, ECG, imaging and radionuclides Quiz · 3.10 · 20 questions
- Engineering physics: rotational dynamics and thermodynamics Quiz · 3.11 · 20 questions
- Turning points: electron discovery, wave-particle duality, relativity Quiz · 3.12 · 20 questions
- Electronics: semiconductors, signals and operational amplifiers Quiz · 3.13 · 20 questions
- Constituents of the atom Quiz · 3.2.1.1 · 20 questions
- Progressive waves Quiz · 3.3.1.1 · 20 questions
- Scalars and vectors Quiz · 3.4.1.1 · 20 questions
- Basics of electricity Quiz · 3.5.1.1 · 20 questions