Science Quiz

Which scale of temperature registers the freezing point and boiling point of water at and , respectively?

• Fahrenheit scale

• Celsius scale

Which of the following describes a wave that vibrates parallel to the direction of motion of the wave?

• Transverse wave

• Sinusoidal wave

• mechanical Wave

• Longitudinal Wave

Pressure in a liquid _______ with increased height above sea level.

• decreases

• increases

• remains the same

• vanishes

The steam engine converts heat energy to ___________.

• Mechanical energy

• Potential Energy

• Electrical energy

• Sound Energy

Why does the moon play the biggest role in producing ocean tides on Earth?

• because the moon's pull is so much stronger than the sun

• because the moon reflects all the sun's light

• because the moon reflects no sunlight

Whose principle describes why boats float?

• Archimedes

• Bernoulli

• Charles

• Pascals

Which of the following statement is TRUE to the 2nd Law of Thermodynamics?

• Heat will flow from low to a high temperature reservoir of a steam engine

• Heat will flow from high to low temperature

• Heat energy can be transformed completely into mechanical work

• Heat engine can be 100% efficient

Gabriel Daniel Fahrenheit devised the first mercury thermometer and used a scale different from that of Anders Celsius. Which of the following scales used in measuring temperature was named after him?

• Fahrenheit scale

• Celsius scale

• Kelvin Scale

The apparent change in the frequency of a wave motion when there is relative motion between the source and the observer.

• Pascal's Effect

• Buoyancy

• Doppler Effect

• Kepler's Effect

Two transverse waves overlap. Crests overlap with crests. Troughs overlap with troughs. What phase of the wave is observed?

• Anaphase

• In - phase

• Out - of - phase

• Telophase