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WorksheetsScience Quizbee setb
Total questions: 78
Worksheet time: 39mins
Which tool measures temperature in a science laboratory?
Thermometer
Barometer
Rain gauge
Anemometer
Which state of matter has a definite shape and a definite volume?
Solid
Liquid
Gas
Plasma
Which of the following is a mixture?
Air
Distilled water
Pure gold (Au)
Sodium chloride (NaCl) crystal
What is the basic unit of life?
Cell
Tissue
Organ
Organ system
Which organ pumps blood throughout the body?
Heart
Lungs
Liver
Kidney
The change of state from liquid to gas at the surface is called
Evaporation
Condensation
Freezing
Sublimation
What force pulls objects toward Earth’s center?
Gravity
Friction
Magnetism
Tension
The SI unit of speed is
m/s
kg
N
m
Earth’s outermost solid layer is called the
Crust
Mantle
Outer core
Inner core
Which is a renewable energy resource?
Solar energy
Coal
Natural gas
Petroleum
Which subatomic particle has a negative charge?
Electron
Proton
Neutron
Nucleus
A solution is best described as a
Homogeneous mixture
Heterogeneous mixture
Pure substance
Suspension only
Which will most likely increase the rate of dissolving a solid solute in water?
Stirring the mixture
Using larger solute particles
Lowering the temperature
Using less solvent
Which organ system is primarily responsible for gas exchange (O₂ in, CO₂ out)?
Respiratory system
Digestive system
Nervous system
Skeletal system
Photosynthesis uses sunlight to convert carbon dioxide and water into
Glucose and oxygen
Proteins and CO₂
Glucose and nitrogen
Oxygen and methane
A runner covers 600 m in 2 minutes. What is the average speed?
5 m/s
3 m/s
10 m/s
0.2 m/s
Which statement describes Newton’s First Law of Motion?
An object remains at rest or in uniform motion unless acted on by a net force.
F = ma
For every action, there is an equal and opposite reaction.
Energy cannot be created nor destroyed.
When water freezes into ice, its mass
Stays the same
Increases
Decreases
Becomes zero
Which plate boundary is responsible for forming mountain ranges like the Himalayas?
Convergent (continent–continent)
Divergent (ocean–ocean)
Transform
Convergent (ocean–continent)
Which weather front commonly brings short, heavy rain and thunderstorms?
Cold front
Warm front
Stationary front
Occluded front
A block has a mass of 200 g and a volume of 50 cm³. What is its density?
4 g/cm³
0.25 g/cm³
2.5 g/cm³
100 g/cm³
Which cell part controls what enters and leaves the cell?
Cell membrane
Nucleus
Cytoplasm
Mitochondrion
Which organ system breaks down food into simpler nutrients the body can use?
Digestive system
Excretory system
Endocrine system
Muscular system
For most solid solutes in water, increasing the temperature generally
Increases solubility
Decreases solubility
Has no effect
Turns solution into suspension
When Earth is between the Sun and the Moon, the Moon appears as a
Full moon
New moon
First quarter
Crescent
A student dissolves 10 g of salt in 90 g of water. What is the percent by mass of the solution?
10%
90%
100%
50%
A car speeds up from 10 m/s to 20 m/s in 5 s. What is its average acceleration?
2 m/s²
4 m/s²
10 m/s²
0.5 m/s²
Two horizontal forces act on a toy car: 8 N to the right and 3 N to the left. The net force is
5 N to the right
11 N to the right
5 N to the left
1 N to the right
In an electric fan, the main energy transformation is from
Electrical to kinetic (mechanical)
Chemical to electrical
Thermal to chemical
Nuclear to electrical
Which earthquake wave arrives first at a seismograph station?
P-waves
S-waves
Surface waves
L-waves only
In which layer of the atmosphere does most weather occur?
Troposphere
Stratosphere
Mesosphere
Thermosphere
At 25°C, a saturated solution contains 40 g of solute per 100 g of water. This value is the solute’s
Solubility at 25°C
Concentration in % by volume
Molarity
Boiling point
What is the kinetic energy of a 1,500 kg car moving at 20 m/s?
3.0 × 10⁵ J
1.5 × 10⁴ J
6.0 × 10⁵ J
7.5 × 10⁴ J
Which process turns water vapor into liquid water, forming clouds?
Condensation
Evaporation
Sublimation
Deposition
Why is the Philippines prone to tropical cyclones (bagyo)?
It is located near warm western Pacific waters within the typhoon belt.
It is far from any ocean.
It is surrounded by mountains that block all winds.
It is near the South Pole.
In an investigation on the effect of temperature on dissolving rate, the independent variable is the
Temperature of the solvent
Amount of solute dissolved
Rate of dissolving
Type of solute
The pH of a neutral solution at room temperature is
7
0
14
1
A 50 N book rests on a table. The magnitude of the normal force on the book is approximately
50 N upward
0 N
25 N upward
100 N downward
Why does spreading salt on icy roads help melt the ice?
It lowers the freezing point of water.
It raises the boiling point of water.
It makes ice denser than water.
It absorbs heat from air.
When the Moon’s shadow falls on Earth and blocks the Sun from view in some places, this is a
Solar eclipse
Lunar eclipse
Full moon
Aurora
Which instrument is used to measure temperature?
Thermometer
Barometer
Rain gauge
Anemometer
Which state of matter keeps both its shape and volume?
Solid
Liquid
Gas
Plasma
Which of the following is a homogeneous mixture of gases?
Air
Gold
NaCl crystals
Distilled water
What is the fundamental structural and functional unit of living organisms?
Cell
Tissue
Organ
Organ system
Which organ system is responsible for pumping blood, exchanging gases, processing nutrients, and filtering blood to make urine?
Circulatory and Respiratory Systems
Digestive and Skeletal Systems
Nervous and Muscular Systems
Endocrine and Integumentary Systems
What is the process called when a liquid changes to a gas below its boiling point?
Evaporation
Condensation
Freezing
Sublimation
Which force causes objects to fall toward Earth?
Gravity
Magnetism
Friction
Electricity
What is the SI unit for speed?
Meters per second (m/s)
Kilograms (kg)
Newtons (N)
Meters (m)
What is the thin, rocky outer layer of the Earth called?
Crust
Mantle
Core
Lithosphere
Which of the following is a renewable energy resource?
Solar energy
Coal
Oil
Natural gas
Which subatomic particle is negatively charged?
Electron
Proton
Neutron
Nucleus
What type of mixture is a solution at the molecular or ionic level?
Homogeneous mixture
Heterogeneous mixture
Colloid
Suspension
Why does stirring a solution speed up the dissolution process?
It increases contact between solute and solvent
It decreases the temperature
It reduces the amount of solute
It changes the color of the solution
What is the main function of the respiratory system in the lungs’ alveoli?
Exchange gases
Produce glucose
Pump blood
Digest food
What do plants produce during photosynthesis?
Glucose and oxygen
Carbon dioxide and water
Protein and nitrogen
Starch and minerals
A person runs 600 meters in 2 minutes. What is their speed in meters per second?
5 m/s
3 m/s
10 m/s
2 m/s
Which of Newton’s Laws is also known as the Law of Inertia?
First Law
Second Law
Third Law
Law of Conservation of Energy
Which of the following statements is true about mass during physical changes such as freezing?
Mass is conserved during physical changes like freezing.
Mass increases during physical changes like freezing.
Mass decreases during physical changes like freezing.
Mass is destroyed during physical changes like freezing.
What is the result of the collision of two continental plates?
The crust is uplifted, forming large mountains.
The crust sinks, forming deep trenches.
The plates melt, forming volcanoes.
The plates separate, forming rift valleys.
What happens when cold fronts force warm air upward quickly?
Cumulonimbus clouds and storms are formed.
The temperature drops and snow falls.
The air becomes dry and clear.
Hurricanes are immediately created.
A substance has a mass of 200 g and a volume of 50 cm³. What is its density?
4 g/cm³
0.25 g/cm³
150 g/cm³
100 g/cm³
What is the function of the semi-permeable cell membrane?
It regulates transport in and out of the cell.
It produces energy for the cell.
It stores genetic information.
It digests food particles.
How does the digestive system process food for absorption?
By mechanically and chemically processing food.
By only chemically processing food.
By only mechanically processing food.
By storing food without processing.
What is the formula to calculate percent by mass in a solution?
(mass solute ÷ total mass) × 100
(mass solute × total mass) ÷ 100
(total mass ÷ mass solute) × 100
(mass solute + total mass) × 100
If an object’s velocity changes from 10 m/s to 20 m/s in 5 seconds, what is its acceleration?
2 m/s²
5 m/s²
10 m/s²
4 m/s²
A force of 8 N acts to the right and a force of 3 N acts to the left. What is the net force and its direction?
5 N to the right
11 N to the right
5 N to the left
11 N to the left
What type of energy transformation occurs in a motor that spins blades?
Electrical energy to kinetic energy
Kinetic energy to electrical energy
Chemical energy to heat energy
Sound energy to electrical energy
Which seismic waves travel fastest and are detected first?
Primary (P) waves
Secondary (S) waves
Surface waves
Love waves
Clouds and weather systems are mostly found in which layer of the atmosphere?
Troposphere
Stratosphere
Mesosphere
Thermosphere
What is solubility?
The maximum amount of solute that dissolves in a given amount of solvent at a specified temperature
The ability of a substance to conduct electricity
The process of a liquid turning into a gas
The amount of energy stored in a chemical bond
Calculate the kinetic energy (KE) of a 1500 kg object moving at 20 m/s.
300,000 J
30,000 J
3,000 J
3,000,000 J
What is condensation in the water cycle?
The process where gas turns into liquid, forming cloud droplets
The process where liquid turns into gas, forming water vapor
The process where solid turns into liquid, forming rain
The process where liquid turns into solid, forming ice
What provides energy for cyclone formation in the Western North Pacific cyclone pathway?
Warm ocean waters
Cold ocean currents
High mountain ranges
Desert winds
In an experiment, what is the independent variable?
The factor that the experimenter changes
The factor that is measured
The factor that remains constant
The factor that is not included in the experiment
What is the pH value of a neutral solution?
7
Less than 7
Greater than 7
0
On a horizontal surface with no vertical acceleration, what is the normal force if the weight is 50 N?
50 N upward
25 N upward
100 N upward
0 N
What happens when salt is added to ice?
It lowers the freezing point and causes ice to melt
It raises the freezing point and keeps ice solid
It has no effect on the ice
It turns ice into steam
During a solar eclipse, where is the Moon located?
Between Earth and Sun
Behind the Sun
Behind the Earth
Next to the Sun
