which of the eight planets is the brightest?
A. Mercury
B. Jupiter
C. Venus
D. Neptune
Sound energy is created by a loudspeaker using _____ energy.
A. Chemical
B. Electrical
C. Light
D. Kinetic
Which planet, according to NASA, has purple rocks?
A. Jupitar
B. Neptune
C. Earth
D. Mars
Who was the inventor of the battery?
A. Nicolas Léonard Sadi Carnot
B. Alessandro Volta
C. Michael Faraday
D. Friedrich Bessel
Another name for dengue fever is ?
A. Black Fever
B. Backbone Fever
C. Plasmodium Fever
D. Remittent Fever
What does one British thermal unit (BTU) equal?
A. 955 joules
B. 990 joules
C. 1055 joules
D. 1211 joules
Sound energy from a microphone is converted into ?
A. Microwaves
B. Electrical signals
C. Optical Signals
D. Heat energy
Diabetes is brought on by a lack of ?
A. Vitamins
B. Sugar
C. Insulin
D. Calcium
Which Planet Is Known As Earth’s Sibling?
A. Mercury
B. Venus
C. Mars
D. Neptune
What elements compose stars primarily?
A. Balls of gas
B. Rock
C. Ice
D. Light