Quiz about 8th Grade Science ACP Review

Question 1

Conductivity is ___________

Accepted Answer

how well a piece of matter conducts electricity.

Answer

the way light is reflected off a surface.

Answer

the capability of being hammered out thin

Answer

A.  the capability of being drawn out into thin wires or threads.

Question 2

Luster is ___________

Accepted Answer

A.  the way light is reflected off a surface.

Answer

A.  how well a piece of matter conducts electricity.

Answer

A.  the capability of being drawn out into thin wires or threads.

Answer

A.  the capability of being hammered out thin.

Question 3

Malleability is ___________

Accepted Answer

the capability of being hammered out thin.

Answer

the way light is reflected off a surface.

Answer

how well a piece of matter conducts electricity

Answer

A.  the capability of being drawn out into thin wires or threads.

Question 4

One property of a nonmetals is that it is a good conductor of electricity?

Accepted Answer

false

Answer

true

Question 5

Which letter represents an electron?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 6

What is the atomic number of the atom pictured? Remember APE MAN!

Accepted Answer

9

Answer

10

Answer

18

Answer

19

Question 7

What is the element name of the atom pictured? Use your periodic table!

Accepted Answer

Fluorine

Answer

Neon

Answer

Argon

Answer

Potassium

Question 8

What is the element name of the atom pictured? Use your periodic table!

Accepted Answer

Sodium

Answer

Magnesium

Answer

Titanium

Answer

Vanadium

Question 9

How many protons does this atom have?

Accepted Answer

6

Answer

3

Answer

4

Answer

2

Question 10

How many electrons does this picture show?

Accepted Answer

6

Answer

4

Answer

5

Answer

3

Question 11

What is the number of protons that the element in this image contain?

Accepted Answer

7

Answer

14

Answer

15

Answer

18

Question 12

Elements which are shiny, conduct electricity and heat are called

Accepted Answer

metal

Answer

nonmetal

Answer

metalloid

Answer

nonexistent

Question 13

Which of Newton's Laws does this represent?

Accepted Answer

Newton's 3rd Law

Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Question 14

Object at rest stays at rest.

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Question 15

F = MxA

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Question 16

This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Question 17

"For every action, there is an equal and opposite reaction."

Accepted Answer

Newton's 3rd Law

Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 4th Law

Question 18

"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 19

How many atoms of oxygen are in a molecule of glucose (C₆H₁₂O₆)?

Accepted Answer

6

Answer

4

Answer

12

Answer

24

Question 20

How many atoms in all are found in the compound above?

Accepted Answer

6

Answer

3

Answer

4

Answer

5

Question 21

How many elements are in C₆H₁₂O₆?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 22

A model of a chemical compound is shown. What is the correct way to write the formula for this compound?

Accepted Answer

H2O2

Answer

2HO

Answer

2H2O

Answer

HO2

Question 23

Which of the following correctly identifies the number of each element involved in the chemical formulas? NH₄CO₃

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 24

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 25

How many Oxygen are in H₂O?

Accepted Answer

1

Answer

2

Answer

0

Answer

4

Question 26

How many atoms of sodium are found in baking soda, NaHCO₃?

Accepted Answer

1

Answer

3

Answer

4

Answer

2

Question 27

Which of the following is a sign that a chemical reaction has occurred?

Accepted Answer

formation of a gas

Answer

change in shape

Answer

melting

Answer

dissolving

Question 28

A change in the size, shape, or state of matter.

Accepted Answer

physical change

Answer

chemical change

Answer

chemical reaction

Answer

electron change

Question 29

Evidence of a chemical reactions is anything that shows -

Accepted Answer

a new substance has formed

Answer

a solid dissolved in a liquid

Answer

interaction between 2 gases

Answer

a change in the state of matter

Question 30

A scientist spilled a few drops of diluted hydrochloric acid (HCl) on a lab table. For safety purposes, the scientist sprinkled some baking soda (NaHCO₃) onto the spill. Which observation would provide the best evidence that a chemical reaction occurred?

Accepted Answer

The baking soda and hydrochloric acid combined, and bubbles formed.

Answer

The baking soda absorbed the hydrochloric acid.

Answer

Some of the baking soda dissolved in the hydrochloric acid.

Answer

The hydrochloric acid evaporated, leaving only the baking soda.

Question 31

What is the net force on this box?

Accepted Answer

5 N left

Answer

30 N left

Answer

25 N right

Answer

55 N right

Question 32

In this example, to calculate net force you must

Accepted Answer

Add the forces

Answer

Subtract the forces

Question 33

The forces acting an a toy car are shown.

In which direction will the race car move and with how much force?

Accepted Answer

Right, 1 Newton

Answer

Right, 11 Newtons

Answer

Left, 11 Newtons

Answer

Left, 1 Newton

Question 34

Provided is a diagram showing forces on a box. What is the net force on the box?

Accepted Answer

5 Newtons ->

Answer

5 Newtons <-

Answer

15 Newtons ->

Answer

15 Newtons <-

Question 35

What type of weather usually goes with this symbol?

Accepted Answer

Clear, sunny skies

Answer

Cloudy skies

Answer

Hot temperature

Answer

Thunderstorms

Question 36

This is the symbol for a...

Accepted Answer

Cold Front

Answer

Occluded Front

Answer

Stationary Front

Answer

Warm Front

Question 37

This is the symbol for a...

Accepted Answer

Warm Front

Answer

Cold Front

Answer

Stationary Front

Answer

Occluded Front

Question 38

Which condition usually means cloudy, stormy weather?

Accepted Answer

low pressure

Answer

high pressure

Question 39

Energy for convection on the Earth comes from...

Accepted Answer

The sun

Answer

The moon

Answer

Solar winds

Answer

The ocean

Question 40

The ____ of tropical oceans make hurricanes stronger.

Accepted Answer

warm water

Answer

cold water

Answer

ocean life

Question 41

Based on the map, which area probably produced the most violent storm systems?

Accepted Answer

Area 3

Answer

Area 1

Answer

Area 2

Answer

Area 4

Question 42

What is one condition necessary for a hurricane to form?

Accepted Answer

Warm ocean water

Answer

A strong cold front

Answer

Cold ocean water

Answer

A strong warm front

Question 43

What happens when a hurricane makes landfall?

Accepted Answer

Weakens

Answer

Have stronger winds

Answer

Picks up speed

Answer

Smaller storm surge

Question 44

A 20 kg bike accelerates at 10 m/s². what was the force?

Accepted Answer

200 Newtons

Answer

25 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 45

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

Accepted Answer

The one with a mass of .52 kg will have the greatest acceleration.

Answer

The one with a mass of .78 kg will have the greatest acceleration.

Answer

They will both accelerate at the same rate.

8th Grade Science ACP Review

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