QUIZ: Most Can’t Pass This Basic Science Test
Whether you were one to fall asleep in the middle of science class or you were the one always raising your hand, there is a good chance you still remember some basic science facts.
It has probably been a long time since you were in class making baking-soda volcanos so test yourself with this science quiz. Science is all around us so it shouldn’t be too hard. If you pass, you’re smarter than a 5th grader!
Fire is caused by which of these chemical processes?

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“Combustion” is the scientific term for burning. It’s a chemical process that occurs when a substance (fuel) rapidly reacts with oxygen and gives off heat as a result. The fuel can be a solid, liquid, or a gas.
Fire is caused by which of these chemical processes?
- Endothermic reaction
- Cellulose
- Activation energy
- Combustion
What is this chart called?

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The periodic table of elements is an informative chart of all the known chemical elements. They are arranged by their atomic number, their electron configuration, and their recurring chemical properties.
What is this chart called?
- Elemental table
- Timeline
- Periodic table
- Elemental chart
Which scientist is responsible for developing the polio vaccine?

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The medical researcher and virologist Jonas Salk discovered and developed one of the first successful polio vaccines at the University of Pittsburgh. After the vaccine was introduced in 1955, Salk campaigned for mandatory vaccination.
Which scientist is responsible for developing the polio vaccine?
- Charles Darwin
- Marie Curie
- Albert Einstein
- Jonas Salk
What is the common name for sodium chloride?

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You probably know this ionic compound best by its common name: salt! Sodium chloride has the chemical formula NaCl, with a 1:1 ratio of sodium and chloride ions. Sea salt also contains other chemical salts.
picture alliance / Contributor
picture alliance / Contributor
What is the common name for sodium chloride?
- Salt
- Sugar
- Pepper
- Caffeine
Which of these will not dissolve in water?

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Although water is known as “universal solvent” because it can dissolve more substances than any other liquid, it won’t dissolve sand because its bond isn’t strong enough to do so. The sand will just settle to the bottom of the water.
Which of these will not dissolve in water?
- Coffee
- Salt
- Sugar
- Sand
Which of these planets is the largest in our solar system?

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Jupiter is the largest at 1,120 percent larger than Earth. From largest to smallest: Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, and Mercury. Pluto is currently classified as as a dwarf planet.
Which of these planets is the largest in our solar system?
- Earth
- Mars
- Jupiter
- Saturn
What space item is defined by an icy core and a tail of gas and dust?

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Asteroids and comets are commonly mixed up, but it’s easy when you realize that comets have tails of dust and gas. Asteroids, on the other hand, are just big floating rocks.
What space item is defined by an icy core and a tail of gas and dust?
- Star
- Comet
- Asteroid
- Planet
To which of these animal classes do snakes belong?

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Snakes are reptiles, along with lizards, crocodiles, and turtles. Reptiles are cold-blooded creatures that are able to change their body temperature by lying in the sun or in the shade.
To which of these animal classes do snakes belong?
- Amphibians
- Mammals
- Reptiles
- Arachnids
Which of these has a heart consisting of one atrium and one ventricle?

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Fish hearts are two-chambered organs that are composed of one ventricle and one atrium. This heart pumps the blood in a single loop throughout the body. In contrast, the human heart has two separate ventricles and two separate atria.
Which of these has a heart consisting of one atrium and one ventricle?
- Whale
- Snake
- Crocodile
- Fish
What is the most common element in the universe?

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Hydrogen, atomic number 1, is a colorless, odorless, and flammable gas. With just proton and one electron, hydrogen is both the simplest and the most common element in the universe.
What is the most common element in the universe?
- Hydrogen
- Carbon dioxide
- Oxygen
- Helium
Where are hormones produced?

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Hormones are chemical signals that dictate a vast range of bodily functions. The endocrine system is the glandular network that secretes these vital chemicals in order to regulate the body.
Where are hormones produced?
- Pituitary glands
- Pancreas
- Hypothalamus
- Endocrine glands
It takes light from the sun how long to reach the Earth?

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It takes merely eight minutes for the light from our sun to reach planet Earth. The sun is 149.6 million kilometers away from us so that light is traveling pretty fast!
It takes light from the sun how long to reach the Earth?
- Eight seconds
- Eight minutes
- Eight days
- Eight hours
What is the lifespan of a monarch butterfly?

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Monarchs are also called milkweed, wanderer, common tiger, and black veined brown butterflies. Adult monarchs tend to live for anywhere from two to six weeks during the summer breeding season.
What is the lifespan of a monarch butterfly?
- One week
- One year
- 6 months
- Two to six weeks
The human rib cage is made up of how many ribs?

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Symmetrically paired on the right and left sides, the human body has 24 ribs. The ribs are numbered from one to twelve and are attached to the thoracic vertebrae. The rib cage plays a major role in the respiratory system.
The human rib cage is made up of how many ribs?
- 20
- 22
- 26
- 24
Which of these foods is the best source of protein?

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Protein is essential for the body’s growth and repair, and also provides energy. Fish is an excellent source of protein and also supplies essential minerals and heart-healthy omega-3 fatty acids.
Which of these foods is the best source of protein?
- Tomato
- Fish
- Bread
- Apple
The Earth’s core is which temperature?

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Believe it or not, the Earth’s core is as hot as the sun’s surface! Scientists have estimated the temperature of the core to be about 10,800 degrees Fahrenheit (or 6,000 degrees Celsius).
The Earth’s core is which temperature?
- 18,000 Fahrenheit
- 10,800 Fahrenheit
- 1,080 Fahrenheit
- 1,800 Fahrenheit
Which of these organs is responsible for pumping blood throughout the body?

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Even though the heart is only fist-sized, it plays a huge role. Its job is to pump blood throughout the circulatory system, which it accomplishes with two separate pumping systems, the right side and the left side.
Which of these organs is responsible for pumping blood throughout the body?
- Lungs
- Brain
- Stomach
- Heart
There are 3 states of matter: solids, liquids, and _____.

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In most environments, there are three distinct states of matter: solids, liquids, and gases. All matter is made up of microscopic particles, but the particles’ behavior differs in each of the three phases.
There are 3 states of matter: solids, liquids, and _____.
- Gases
- Animals
- Plants
- Rocks
Which of these will completely fill any container?

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No matter how big or small a container, a gas can fill it. Because of their kinetic energy, gas molecules can move freely and will spread out to fill the entire space equally.
Which of these will completely fill any container?
- None of these
- Gases
- Solids
- Liquids
The human body has how many muscles?

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According to most sources, the human body has over 650 named skeletal muscles. Muscles are given Latin names according to their shape, location, relative size, action, and/or the number of origins.
The human body has how many muscles?
- 527
- 240
- 365
- 639
Which of these particles make up an atom?

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Atoms are the smallest unit of ordinary matter in a chemical element. Electrons have a negative electrical charge, protons have a positive charge, and neutrons are neutral, with no charge.
Which of these particles make up an atom?
- Protons and neutrons
- Protons and electrons
- Electrons, neutrons, and protons
- Electrons and neutrons
A light-year is a measurement of what?

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A light-year is a unit of astronomical distance which is equivalent to the distance that light travels in one year. That distance is 9.4607 × 1012 kilometer, or almost six trillion miles.
A light-year is a measurement of what?
- Sound
- Distance
- Time
- Brightness
What is responsible for creating the ocean tides?

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Sir Isaac Newton’s law of universal gravitation helps to explain the tides. A gravitational pull from the moon and the sun causes the oceans to bulge out, which results in tides. Since the earth is always rotating while this pulling motion occurs, there are two tides per day.
What is responsible for creating the ocean tides?
- The Earth’s rotation on its axis
- The weather
- The gravitational pull from the moon and sun
- The wind
Lumber is which of these resource types?

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Wood, or lumber, is considered a renewable resource since forests grow back after a harvest. In some cases, however, trees are cut down faster than they grow back and that is a problem.
Lumber is which of these resource types?
- Recyclable
- Nonrenewable
- Heavy
- Renewable
How many moon phases are there?

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The moon’s different phases cause changes in its appearance. As it orbits Earth, the moon cycles through eight distinct phases, with its four primary phases occurring about a week apart. The eight phases are: new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, third quarter, and waning crescent.
How many moon phases are there?
- 12
- 10
- 8
- 6
Where in the atmosphere is Earth’s ozone layer?

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The ozone layer is the region of Earth’s stratosphere that absorbs most (97 to 99 percent) of the Sun’s ultraviolet radiation. A 1976 study found that industrial chemicals are depleting the ozone layer at an alarming rate.
Where in the atmosphere is Earth’s ozone layer?
- Troposphere
- Exosphere
- Mesosphere
- Stratosphere
Which of these choices is not part of the water cycle?

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The water cycle, also known as the hydrologic cycle, describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into snow or rain in clouds, and then falls again to the surface as precipitation.
Which of these choices is not part of the water cycle?
- Evaporation
- Precipitation
- Condensation
- Emancipation
A carnivore would be most likely to eat which of these?

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The word carnivore means “meat eater.” Carnivores are organisms that get their energy and nutrients from a diet that consists primarily of animal tissue (meat). The meat is obtained through predatory activities or scavenging.
A carnivore would be most likely to eat which of these?
- Plant
- Soil
- Animal
- Dead tree
Tsunamis are most commonly caused by which of these?

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The majority of tsunamis are caused by large earthquakes on the seafloor. When enormous slabs of rock move past each other suddenly, it causes the water above to move and results in large waves that move away from the source of the earthquake.
Tsunamis are most commonly caused by which of these?
- Earthquakes
- Landslides
- Tornados
- Excess rain
Pollen is produced by which part of the flower?

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The pollen-producing part of a flower is the stamen. This usually consists of a slender filament supporting an anther, which is the part of the stamen where pollen is actually produced.
Pollen is produced by which part of the flower?
- Stem
- Pistil
- Stamen
- Petal
Who is considered the father of modern chemistry?

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Antoine-Laurent de Lavoisier (1743 – 1794) was a French nobleman and chemist. He discovered the role that oxygen plays in combustion, he recognized and named oxygen and hydrogen, he helped construct the metric system, and he predicted the existence of silicon.
Who is considered the father of modern chemistry?
- Stephen Hawking
- Antoine Lavoisier
- Louis Pasteur
- Marie Curie
Which of these choices results when you multiply an object’s mass by its velocity?

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Momentum is a physics term. It’s defined as the force or strength that an object has when it’s in motion, and is the product of the object’s mass and velocity.
Which of these choices results when you multiply an object’s mass by its velocity?
- Force
- Kinetic energy
- Acceleration
- Momentum
Toothpaste is white because of which of these?

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Titanium dioxide is a white pigment with a high refractive index, meaning that it scatters light and creates a very white appearance. It’s also used in cosmetics such as skin care products and sunscreens.
Toothpaste is white because of which of these?
- Rice starch
- Propylene glycol
- Calcium carbonate
- Titanium dioxide
Which of the following is not a simple machine?

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Examples of simple machines include a pulley, a wheel and axle, a lever, an inclined plane, a wedge, and a screw. Compound machines are comprised of two or more simple machines, so scissors are a compound machine.
Which of the following is not a simple machine?
- Screw
- Scissors
- Pulley
- Wedge
A cell phone makes and receives calls using which waves?

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Radio waves are a type of electromagnetic radiation, and they’re not sound waves as some people believe. Cell phones work by transmitting radio waves through a network of fixed antennas called base stations.
A cell phone makes and receives calls using which waves?
- Light waves
- Gravity waves
- Radio waves
- Sound waves
Which of these elements is the reason Mars is called “The Red Planet”?

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Mars appears red because of iron oxide, which is the same compound that gives rust and blood their coloring. The planet has more than twice as much iron oxide in its outer layers than Earth does.
Which of these elements is the reason Mars is called “The Red Planet”?
- Zinc
- Iron
- Copper
- Cadmium
Which is not a class of rock?

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There are three classes, or types, of rock: igneous, metamorphic, and sedimentary. The differences between rock types have to do with how they are formed, whether they’re created from cooling and hardening, as a result of pressure, or from particles.
Which is not a class of rock?
- Igneous
- Sedimentary
- Metamorphic
- Volcanic
Which of these animals does not need to drink water?

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Since kangaroo rats live in very dry, hot areas they are built to conserve water. These creatures get enough water from the metabolic oxidation of the seeds they eat to survive. As a result, they don’t need to drink any additional water.
Which of these animals does not need to drink water?
- Hippopotamus
- Sloth
- Camel
- Kangaroo rat
The largest human cell is which of these?

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The largest cell in the human body is the ovum, which is the female egg cell. These cells are about 1000 micrometers, or one millimeter, in diameter. The largest cell on Earth is the egg cell of an ostrich.
The largest human cell is which of these?
- Ovum
- Liver
- Skin
- Spleen
Out of the flightless birds, which is the smallest?

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Although they’re the smallest flightless birds in the world, female kiwis lay one of the largest eggs in relation to their body size of any other bird. The endangered species is native to New Zealand.
Out of the flightless birds, which is the smallest?
- Rhea
- Ostrich
- Kiwi
- Penguin
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