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Science Quiz Bee (Grade 7-8)

Total questions: 35

Worksheet time: 21mins

Name
Class
Date
1.

It is a pull or pull and measured by Newtons (N).

a)

Inertia

b)

Acceleration

c)

Force

d)

Interaction

2.

Matter has space and has mass. Which of the following classifications of matter has a definite set of properties?

a)

Pure Substance

b)

Suspensions

c)

Mixtures

d)

Colloids

3.

It is also known as the center of the earth.

a)

Crust

b)

Mantle

c)

Core

d)

Asthenosphere

4.

When a liquid matter changes to its solid form, at which temperature will it be on?

a)

Melting Point

b)

Boiling Point

c)

Freezing Point

d)

None of the above

5.

The thickest layer of the earth.

a)

Crust

b)

Mantle

c)

Core

d)

Asthenosphere

6.

Which of the following is the simplest form of matter?

a)

Elements

b)

Mixtures

c)

Compounds

d)

Solutions

7.

He is one of the greatest mathematicians that summarized the laws of motion.

a)

Galileo Galilei

b)

Albert Einstein

c)

Isaac Newton

d)

Antoine Lavoisier

8.

What do we call the combination of two or more atoms or more elements that is chemically combined?

a)

Pure Substance

b)

Elements

c)

Mixtures

d)

Compound

9.

what state of matter do the sun, stars, nebula and lightnings have in common?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

10.

Which of the following elements have both of the properties of metals and nonmetals?

a)

Metal Elements

b)

Nonmetal Elements

c)

Metalloids

d)

Trace Elements

11.

Which of the following elements are poor conductors of heat and electricity?

a)

Metal Elements

b)

Nonmetal Elements

c)

Metalloids

d)

Trace Elements

12.

It is the process by which a substance changes into a new substance

a)

Physical Change

b)

Chemical Change

c)

Physical Property

d)

Chemical Property

13.

The change in matter does not alter the composition of a substance.

a)

Physical Change

b)

Chemical Change

c)

Physical Property

d)

Chemical Property

14.

Elasticity, density, color and hardness are examples of what properties of matter?

a)

Physical Change

b)

Chemical Change

c)

Physical Property

d)

Chemical Property

15.

When a solid matter changes to its liquid form, at which temperature will it be on?

a)

Melting Point

b)

Boiling Point

c)

Freezing Point

d)

None of the above

16.

Acceleration is a measure of how fast the velocity of an object changes.

a)

True

b)

False

17.

Filtration is the process of allowing more dense solids in a suspension to settle and pour the less dense materials out.

a)

True

b)

False

18.

Milk is an example of matter that exists in solid, liquid and gas.

a)

True

b)

False

19.

Matter refers to anything that occupies space and has mass and volume.

a)

True

b)

False

20.

Milk is considered as a universal solvent.

a)

True

b)

False

21.

Mixture is a classification of matter is described as substances that are chemically combined.

a)

True

b)

False

22.

Mass exists when all the forces acting on an object balance each other out.

a)

True

b)

False

23.

Solid is the state of matter which the particles are loosely packed together.

a)

True

b)

False

24.

Decantation is used to separate sand from water.

a)

True

b)

False

25.

Law of Inertia is also known as the first law of motion.

a)

True

b)

False

26.

It refers to a theory that states that matter is made up of tiny particles that are in constant random motion.

(a)  

27.

(a)   is described as the process of changing liquid into vapor by heating.

28.

It is considered as the fourth state of matter.

(a)  

29.

It is the tendency of an object to resist any change in its state of motion.

(a)  

30.

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)  

31.

What type of elements are solid in room temperature

(a)  

32.

It is a quantity that shows how much inertia an object has, and it is expressed in the SI unit kilogram or gram.

(a)  

33.

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)  

34.

The sum of the forces of the objects if the objects are in the state of equilibrium.

(a)  

35.

What type of elements are found inside a human body?

(a)