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WorksheetsScience Quiz Bee (Grade 7-8)
Total questions: 35
Worksheet time: 21mins
It is a pull or pull and measured by Newtons (N).
Inertia
Acceleration
Force
Interaction
Matter has space and has mass. Which of the following classifications of matter has a definite set of properties?
Pure Substance
Suspensions
Mixtures
Colloids
It is also known as the center of the earth.
Crust
Mantle
Core
Asthenosphere
When a liquid matter changes to its solid form, at which temperature will it be on?
Melting Point
Boiling Point
Freezing Point
None of the above
The thickest layer of the earth.
Crust
Mantle
Core
Asthenosphere
Which of the following is the simplest form of matter?
Elements
Mixtures
Compounds
Solutions
He is one of the greatest mathematicians that summarized the laws of motion.
Galileo Galilei
Albert Einstein
Isaac Newton
Antoine Lavoisier
What do we call the combination of two or more atoms or more elements that is chemically combined?
Pure Substance
Elements
Mixtures
Compound
what state of matter do the sun, stars, nebula and lightnings have in common?
Solid
Liquid
Gas
Plasma
Which of the following elements have both of the properties of metals and nonmetals?
Metal Elements
Nonmetal Elements
Metalloids
Trace Elements
Which of the following elements are poor conductors of heat and electricity?
Metal Elements
Nonmetal Elements
Metalloids
Trace Elements
It is the process by which a substance changes into a new substance
Physical Change
Chemical Change
Physical Property
Chemical Property
The change in matter does not alter the composition of a substance.
Physical Change
Chemical Change
Physical Property
Chemical Property
Elasticity, density, color and hardness are examples of what properties of matter?
Physical Change
Chemical Change
Physical Property
Chemical Property
When a solid matter changes to its liquid form, at which temperature will it be on?
Melting Point
Boiling Point
Freezing Point
None of the above
Acceleration is a measure of how fast the velocity of an object changes.
True
False
Filtration is the process of allowing more dense solids in a suspension to settle and pour the less dense materials out.
True
False
Milk is an example of matter that exists in solid, liquid and gas.
True
False
Matter refers to anything that occupies space and has mass and volume.
True
False
Milk is considered as a universal solvent.
True
False
Mixture is a classification of matter is described as substances that are chemically combined.
True
False
Mass exists when all the forces acting on an object balance each other out.
True
False
Solid is the state of matter which the particles are loosely packed together.
True
False
Decantation is used to separate sand from water.
True
False
Law of Inertia is also known as the first law of motion.
True
False
It refers to a theory that states that matter is made up of tiny particles that are in constant random motion.
(a)
(a) is described as the process of changing liquid into vapor by heating.
It is considered as the fourth state of matter.
(a)
It is the tendency of an object to resist any change in its state of motion.
(a)
These are characteristics that a substance exhibits when it undergoes changes in composition. These properties are related to the type of chemical reactions that cause the changes.
(a)
What type of elements are solid in room temperature
(a)
It is a quantity that shows how much inertia an object has, and it is expressed in the SI unit kilogram or gram.
(a)
The scientist in 17th century that realized that friction plays an important role in motion, without friction, it is possible to keep an object moving even without applying a force on it.
(a)
The sum of the forces of the objects if the objects are in the state of equilibrium.
(a)
What type of elements are found inside a human body?
(a)
