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Everyday Phenomena : Physics
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Practice Test
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Question 1 of 35
What is the primary cause of the seasons on Earth?
Choose 1 answer
Earth's distance from the Sun
Earth's axial tilt
Earth's rotation speed
Sun's intensity variation
Question 2 of 35
What substance makes up the majority of the human body's composition?
Choose 1 answer
Fat
Protein
Water
Minerals
Question 3 of 35
What is the most abundant gas in Earth's atmosphere?
Choose 1 answer
Oxygen
Carbon Dioxide
Nitrogen
Argon
Question 4 of 35
What is the process by which plants make their own food?
Choose 1 answer
Respiration
Photosynthesis
Transpiration
Fermentation
Question 5 of 35
Which planet is known as the Red Planet?
Choose 1 answer
Mars
Venus
Jupiter
Saturn
Question 6 of 35
What phenomenon causes the sky to appear blue during the day?
Choose 1 answer
Rayleigh scattering
Mie scattering
Absorption
Reflection
Question 7 of 35
How many bones are there in the adult human body?
Choose 1 answer
206
208
210
212
Question 8 of 35
What is the name of the effect that causes objects to appear distorted when viewed through water?
Choose 1 answer
Refraction
Reflection
Diffraction
Dispersion
Question 9 of 35
What type of energy is stored in a stretched rubber band?
Choose 1 answer
Kinetic energy
Potential energy
Thermal energy
Chemical energy
Question 10 of 35
Which natural disaster is measured using the Richter scale?
Choose 1 answer
Tornado
Hurricane
Earthquake
Volcanic eruption
Question 11 of 35
What causes the tides in Earth's oceans?
Choose 1 answer
Wind
Earthquakes
The Moon's gravity
Ocean currents
Question 12 of 35
What gas do humans exhale as a waste product of respiration?
Choose 1 answer
Oxygen
Nitrogen
Carbon Dioxide
Hydrogen
Question 13 of 35
What part of the plant is responsible for photosynthesis?
Choose 1 answer
Roots
Stems
Leaves
Flowers
Question 14 of 35
Which vitamin is primarily obtained from sunlight?
Choose 1 answer
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
Question 15 of 35
What is the boiling point of water at sea level?
Choose 1 answer
90°C
95°C
100°C
105°C
Question 16 of 35
What is the primary source of energy for Earth's climate system?
Choose 1 answer
Geothermal energy
Solar energy
Wind energy
Hydropower
Question 17 of 35
What is the main purpose of the ozone layer in Earth's atmosphere?
Choose 1 answer
To regulate temperature
To block harmful UV radiation
To create weather patterns
To provide oxygen
Question 18 of 35
What is the name of the force that pulls objects toward the center of the Earth?
Choose 1 answer
Friction
Magnetism
Gravity
Electrostatic force
Question 19 of 35
Which organ in the human body is primarily responsible for detoxification?
Choose 1 answer
Liver
Kidney
Heart
Lungs
Question 20 of 35
What is the speed of light in a vacuum?
Choose 1 answer
299,792 km/s
300,000 km/s
150,000 km/s
100,000 km/s
Question 21 of 35
Which type of wave is sound classified as?
Choose 1 answer
Electromagnetic wave
Transverse wave
Longitudinal wave
Surface wave
Question 22 of 35
What phenomenon causes the sky to change color at sunrise and sunset?
Choose 1 answer
Rayleigh scattering
Mie scattering
Diffraction
Interference
Question 23 of 35
What is the name of the process where water changes from a liquid to a gas?
Choose 1 answer
Condensation
Evaporation
Precipitation
Sublimation
Question 24 of 35
Which part of the brain controls balance and coordination?
Choose 1 answer
Cerebrum
Cerebellum
Brainstem
Thalamus
Question 25 of 35
What type of bond holds the two strands of a DNA molecule together?
Choose 1 answer
Ionic bond
Covalent bond
Hydrogen bond
Metallic bond
Question 26 of 35
What is the name of the force that resists the motion of objects sliding against each other?
Choose 1 answer
Gravity
Friction
Tension
Normal force
Question 27 of 35
What is the most common element in the Earth's crust?
Choose 1 answer
Iron
Silicon
Aluminum
Oxygen
Question 28 of 35
What is the primary ingredient in bread making that causes the dough to rise?
Choose 1 answer
Yeast
Baking powder
Baking soda
Salt
Question 29 of 35
Which celestial object is closest to Earth?
Choose 1 answer
Mars
The Moon
Venus
The Sun
Question 30 of 35
What is the term for the layer of gases surrounding a planet?
Choose 1 answer
Exosphere
Stratosphere
Atmosphere
Troposphere
Question 31 of 35
What natural process contributes to the formation of fossils?
Choose 1 answer
Erosion
Sedimentation
Volcanic activity
Weathering
Question 32 of 35
What is the primary function of the human respiratory system?
Choose 1 answer
Digesting food
Transporting blood
Exchanging gases
Regulating temperature
Question 33 of 35
What is the term for a material that allows electricity to pass through easily?
Choose 1 answer
Insulator
Conductor
Resistor
Semiconductor
Question 34 of 35
What phenomenon causes the apparent motion of the Sun across the sky?
Choose 1 answer
Earth's rotation
Earth's revolution
The Moon's orbit
Sun's rotation
Question 35 of 35
What type of energy is produced by a moving object?
Choose 1 answer
Kinetic energy
Potential energy
Thermal energy
Chemical energy
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