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WorksheetsJHS-Science Quiz Bee (Average Round)
Total questions: 10
Worksheet time: 5mins
Ball A with a mass of 8 kg collides into Ball B with a known mass of 9.5 kg. What remains constant before and after the collision?
The momentum
of A
The momentum
of B
The sum of momentums
The difference in momentums
An object experienced three forces acting in different directions; 5 N north, 5 N south, and 8 N east. What is the resultant force?
3 N east
3 N west
8 N east
18 N east
Which of the following is equal to the speed of an electromagnetic wave?
Difference between frequency and wavelength
Product of frequency and wavelength
Ratio of frequency and wavelength
Sum of frequency and wavelength
Gamma rays, visible light and radio waves are part of the electromagnetic spectrum. Which shows the correct order of decreasing wavelength?
Gamma rays – visible light – radio waves
Radio waves – visible light – gamma rays
Radio waves – gamma rays – visible light
Visible light – gamma rays – radio waves
A circuit was made with 11 ohms and allows 10 amperes of current. What is the electromotive force of the circuit?
0.91 V
1.1 V
10 V
110 V
A dipole is an electrically neutral molecule carrying a positive and negative charge in at least one canonical description. Which of the following compound is a dipole?
CO2
H2O
KCl
CH4
If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it’s net charge?
Al+3
Al+10
Al+13
Al-10
What happen to the muscle of the diaphragm when you breath out?
relaxes
expands
contracts
nothing happen
Which of the following intermolecular forces of attraction is present only in nonpolar molecules?
Dipole-dipole interaction
London dispersion force
Hydrogen bond
Van der Waals force
What type of electrons occupies the highest energy level and participates in chemical bonding?
Core electrons
S electrons
P electrons
Valence Electrons
