Lab Safety & Equipment
What is a key benefit of handling lab equipment properly?
Prevention of accidents
What causes the Sun to rise and set?
Earth’s rotation
What causes ocean waves mostly?
a) Moon’s pull
b) Wind energy
c) Earthquakes
d) Sun’s heat
b) Wind energy
True or False: Measuring one side incorrectly doesn’t affect area results.
False
_______pulls objects to the ground.
Gravity
What is one way to promote safety in the lab?
Model safe behavior and remind classmates of rules
Why does the horizon appear curved?
Earth’s curvature blocks far views
Why is physics a fundamental science?
a) Studies living organisms
b) Focuses on modern tech
c) Explains natural laws
d) Only covers reactions
c) Explains natural laws
Why use standard units?
To ensure consistency
_______ determines if an object floats.
Density
Improper equipment use can lead to:
Injury or experiment failure
The Sun gives off energy through:
Radiation
Which is NOT classical physics?
a) Thermodynamics
b) Electromagnetism
c) Quantum Mechanics
d) Classical Mechanics
c) Quantum Mechanics
How to reduce human error?
a) Measure quickly
b) Estimate values
c) Use proper tools and repeat measurements
d) Use different units
c) Use proper tools and repeat measurements
How do birds and planes stay in the air? ________
Lift
What advice would you give a new student about lab safety?
Follow rules and ask when unsure
Why is the sky orange at sunset?
Rayleigh scattering of short wavelengths
Which studies oscillations?
a) Classical Mechanics
b) Wave Physics
c) Thermodynamics
d) Atomic Physics
b) Wave Physics
Accuracy means ___, precision means ___.
a) Fast results; clear tools
b) Closeness to true value; repeatability
c) Exact numbers; rough estimates
d) Proper tools; fast calculations
b) Closeness to true value; repeatability
Nuclear physics focuses on: _______
Atomic nuclei
True or False: Lab glassware is unbreakable if used correctly.
False
Why do soap bubbles form spheres?
Surface tension
Thermodynamics example:
a) Magnetism
b) Sound waves
c) Mercury expanding
d) Ball rolling
c) Mercury expanding
Why use water baths for heating alcohol?
To prevent ignition
How does a speaker work?
a) Heat + sound
b) Water waves
c) Electricity + magnetism
d) Gravity
c) Electricity + magnetism