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WorksheetsScience Quiz Bee - Grade 7
Total questions: 20
Worksheet time: 10mins
Which of the following objects will produce sound?
Water
Wood
Air
Metal
It is the difference between an object’s final and initial position.
Speed
Velocity
Distance
Displacement
The change in velocity over time is________.
Speed
Velocity
Distance
Acceleration
In graphing motion, a slope with a steeper line means a _____ speed.
Faster
Increases
Slower
Decreases
In a ticker tape diagram, what is the meaning of the trail of dots with a large distance?
Moving fast
Increasing
Moving slow
Decreasing
How do sound waves produce through molecules
Rarefaction
Compression
Both a and b
Neither a nor b
Which of the following is NOT an electromagnetic wave?
Infrared
Radio
Sound
X-ray
In what states of matter do heat transfer by conduction occurs?
Only in gases
Only in liquids
Only in fluids
In gases, liquids, and solids
Which of the following is NOT an insulator?
Wood
Rubber
Hair
Copper
Which electromagnetic wave is used in a microscope?
Visible light
Gamma rays
Ultraviolet
Infrared radiation
How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr?
5.2hr
4.4hr
4.2hr
4hr
Which of the following best describes a high frequency sound? It has:
Low pitch
High pitch
Low energy
A and C
Which of the following describes that an object is positively charge?
Gaining protons
Gaining electrons
Losing protons
Losing electrons
Which of the following can be attracted by a positively charged object?
Another negatively charged object
It will be repelled by the comb.
A neutral object.
No other subject
What will happen when two like charges are bought together?
Repel each other
Attract each other
Neutrons each other
Hve no effect to each other
Which of the following is true about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right?
The displacement of the object is equal to 12 meters.
The displacement of the object is equal to 12 meters down.
The total distance travelled by the object is equal to 12 meters.
The total distance travelled by the object is equal to 12 meters down.
How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr?
5.2hr
4.4hr
4.2hr
4hr
How do energy from the sun reaches the earth?
Energy is transferred from the sun to Earth through solar energy.
Energy is transferred from the sun to Earth through radiation.
Energy is transferred from the sun to Earth via electromagnetic waves.
Most of the energy that passes through the upper atmosphere and reaches Earth's surface is in two forms, visible and infrared light.
How does the frequency of infrared (IR) compare with the frequency of ultraviolet (UV) waves?
Infrared waves have lower frequency than ultraviolet waves.
Infrared waves have higher frequency than ultraviolet waves.
Infrared waves have the same frequency as the ultraviolet rays
Infrared is not comparable in frequency with the ultraviolet waves.
Is it possible to charge an electrical insulator?
Yes because they can also conduct electricity.
No,because insulator have no free charges in them.
No, insulators are bad conductors, which do not allow electricity to pass through
Yes, because electrons can be transferred between insulator through friction
