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Worksheets7th Grade Physics Test Questions
Total questions: 30
Worksheet time: 16mins
What is a molecule?
The smallest particle of matter
Indivisible particle
Complex substance
Mixture
What is diffusion?
Spreading of particles
Movement of particles
Hardening of particles
Evaporation of particles
What is the state of matter?
Gas, force, mass
Wood, water, pressure
Gas, liquid, solid
Water, steam, ice
What is the unit of measurement for distance or path?
km/h; m/s; s
m, dm, cm
kg, g, t
N, kN, mN
What is the formula for determining speed?
v = s·t
v = s / t
s = v·t
t = s / v
An automobile is traveling at a speed of 90 km/h. How far will it travel in 2 hours?
200 km
400 km
180 km
150 km
What are the units of mass?
t; kg; g
m; dm; cm
hour, s, day
N, kN, mN
What is the formula for density?
ρ = s / t
ρ = m / V
s = v·t
m = ρ·V
A body with a volume of 0.004 m³ is submerged in water. What is the mass of this body? (Density of water is 1000 kg/m³)
5 kg
8 kg
4 kg
6 kg
What is the weight force equal to?
F = g·m
F = S / t
t = S / F
F = m / g
What is the unit of measurement for weight force?
kg
Newton (N)
meter
Pascal (Pa)
What is the instrument that measures force?
Clock
Speedometer
Dynamometer
Thermometer
What is the weight force acting on a body with a mass of 5 tons?
≈50 kN
≈70 kN
≈100 kN
≈30 kN
What is the formula for pressure?
p = m / V
v = s·t
p = F / S
F = m·a
What is the unit of measurement for pressure?
Newton
Pascal
Meter
Kilogram
Who is the scientist that measured atmospheric pressure?
Torricelli
Pascal
Newton
Archimedes
What is the unit of measurement for pressure?
Newton
Pascal
Meter
Kilogram
Who is the scientist that measured atmospheric pressure?
Torricelli
Pascal
Newton
Archimedes
What is Archimedes' force equal to?
F = m·g
p = F / S
F_A = ρ·g·V
F = k·x
What force is needed to keep a volume of 2 m³ iron submerged in water?
≈20 kN
≈70 kN
≈28 kN
≈15 kN
How is mechanical work defined?
F = g·m
A = F·S
F_A = ρ·g·V
A = m·g·h
What is the unit of measurement for work?
Pascal
Newton
Joule
Watt
What work is done when a crane lifts a load of 2500 kg to a height of 12 m?
30 kJ
50 kJ
90 kJ
60 kJ
How is power defined?
A = F·S
N = A / t
F = g·m
N = F·v
What is the unit of measurement for power?
Newton
Watt
Pascal
Joule
What is the power of an athlete lifting a 125 kg barbell to a height of 70 cm in 0.5 seconds?
≈1.75 kW
≈2.02 kW
≈1.95 kW
≈2.10 kW
What is the golden rule of mechanics?
A = F·S
F = g·m
F₁ / F₂ = l₂ / l₁
N = A / t
What is the normal atmospheric pressure equal to?
760 mm Hg
756 mm Hg
766 mm Hg
765 mm Hg
Which formula is used to calculate the pressure acting on a surface?
p = ρ·g·h
p = F / S
P = I·U
P = A·t
Which scientist proposed methods for measuring atmospheric pressure?
Pascal
Torricelli
Newton
Hooke
