Quiz about STAAR Review 8th Grade

Question 1

What is the Symbol for Iron?

Accepted Answer

Fe

Answer

Ir

Answer

I

Answer

Fa

Question 2

What is the symbol for Calcium?

Accepted Answer

Ca

Answer

C

Answer

Cl

Answer

Cu

Question 3

What element has the symbol Cu?

Accepted Answer

Copper

Answer

Calcium

Answer

Carbon

Answer

Iron

Question 4

Lithium is found in Group 1 on the Periodic Table. How many Valence Electrons does it have?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 5

Helium is a Noble Gas found in Group 18. How many Valence Electrons does it have?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 6

What is the atomic number of Nitrogen?

Accepted Answer

7

Answer

1

Answer

5

Answer

10

Question 7

What is the atomic number of Krypton?

Accepted Answer

36

Answer

2

Answer

18

Answer

45

Question 8

What is the atomic mass of Silicon (Si)?

Accepted Answer

28

Answer

32

Answer

45

Answer

79

Question 9

If Helium (He) has an atomic mass of 4, how many neutrons does it have?

Accepted Answer

2

Answer

0

Answer

4

Answer

8

Question 10

If Zinc (Zn) has an atomic mass of 65, how many neutrons does it have?

Accepted Answer

35

Answer

65

Answer

100

Answer

0

Question 11

True of False, the Atomic Number of an Element equals the number of Protons AND Electrons.

Accepted Answer

TRUE

Answer

FALSE

Question 12

If Cobalt has 27 Protons, how many electrons does it have?

Accepted Answer

27

Answer

59

Answer

65

Answer

83

Question 13

In the Chemical Formula provided, how many Hydrogen atoms are there?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 14

In the chemical formula for sugar provided, how many Oxygen atoms are there?

Accepted Answer

6

Answer

1

Answer

12

Answer

24

Question 15

The rust forming on these bolts is an example of a....

Accepted Answer

Chemical Change

Answer

Physical Change

Answer

Nuclear Change

Answer

Phase Change

Question 16

A student is testing an element for electrical conductivity. Being a good conductor of electricity is known as a...

Accepted Answer

Physical Property

Answer

Chemical Property

Answer

State of Matter

Answer

Density

Question 17

The state in which an element exists (solid, liquid, or gas) is known as a...

Accepted Answer

State of Matter

Answer

Chemical Change

Answer

Coloring Property

Answer

Density

Question 18

Mass per unit volume is known as...

Accepted Answer

Density

Answer

Speed

Answer

Acceleration

Answer

Velocity

Question 19

If a car is traveling 100Km in 2 hours, what is its speed?

Accepted Answer

50 Km/Hr

Answer

102 Km/Hr

Answer

200 Km/Hr

Answer

10 Km/Hr

Question 20

If a Plane is flying 3,000 Km in 10 hours, what is its speed?

Accepted Answer

300 Km/Hr

Answer

30 Km/Hr

Answer

30,000 Km/Hr

Answer

3 Km/Hr

Question 21

What is the density of an object if its mass is 10g and its volume is 5ml?

Accepted Answer

2 g/ml

Answer

50 g/ml

Answer

15 g/ml

Answer

0 g/ml

Question 22

The type of plate boundary in the image is called a...

Accepted Answer

Subduction zone

Answer

Transform boundary

Answer

Divergent Boundary

Answer

Oceanic Boundary

Question 23

The type of plate boundary in the image is called a...

Accepted Answer

Divergent Boundary

Answer

Subduction zone

Answer

Transform boundary

Answer

Oceanic Boundary

Question 24

Our sun is a ___________ star

Accepted Answer

Main Sequence

Answer

Blue Giant

Answer

Red Giant

Answer

Neutron Star

Question 25

The cooler air moving towards the sea from the land is called a...

Accepted Answer

Land Breeze

Answer

Sea Breeze

Answer

Sky Breeze

Answer

Water Breeze

Question 26

Which wave has a shorter wavelength, Radio Waves or Ultraviolet Waves?

Accepted Answer

Ultraviolet

Answer

Radio

Question 27

Visible Light makes up most of the Electromagnetic Spectrum.

Accepted Answer

False

Answer

True

Question 28

This is an example of a...

Accepted Answer

Eukaryote

Answer

Prokaryote

Question 29

This is an example of a...

Accepted Answer

Prokaryote

Answer

Eukaryote

Question 30

Which is a main difference between plant and animal cells?

Accepted Answer

Plant cells have a cell wall while animal cells do not

Answer

Animal cells have a cell wall while plant cells do not

Answer

Animal cells have a nucleus while plant cells do not

Answer

Plant cells have no cytoplasm while animal cells have it

Question 31

Labeled with the red star, what moon phase is this?

Accepted Answer

waxing crescent

Answer

new moon

Answer

waning gibbous

Answer

first quarter

Question 32

Newton's second law

Accepted Answer

Force = mass x acceleration

Answer

Speed = distance / time

Answer

Density = mass / volume

Question 33

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 34

An object will stay at rest unless a 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 35

Moving from the left image to the right, what type of front has entered Texas?

Accepted Answer

Cold

Answer

Warm

Answer

Occluded

Answer

Stationary

Question 36

What type of succession is taking place?

Accepted Answer

Primary Succession

Answer

Secondary Succession

Answer

Tertiary Succession

Question 37

What type of succession is taking place?

Accepted Answer

Secondary Succession

Answer

Primary Succession

Answer

Tertiary Succession

Question 38

No nucleus, single celled, bacteria.... What am I?

Accepted Answer

Prokaryote

Answer

Eukaryote

Question 39

Plants and trees make their own food by using sunlight, water and carbon dioxide. They are known as...

Accepted Answer

Producers

Answer

Primary Consumers

Answer

Secondary Consumers

Answer

Tertiary Consumers

Question 40

Plants and trees make their own food by using sunlight, water and carbon dioxide. This PROCESS is known as...

Accepted Answer

Photosynthesis

Answer

Mitosis

Answer

Succession

Answer

Phase change

Question 41

A cow gets its energy from eating plants and grass (producers). The cow is known as...

Accepted Answer

Primary Consumers

Answer

Producers

Answer

Secondary Consumers

Answer

Tertiary Consumers

Question 42

A hawk gets its energy by eating a snake which eats mice, which eats plants and grass (producers). The hawk is known as...

Accepted Answer

Tertiary Consumers

Answer

Producers

Answer

Primary Consumers

Answer

Secondary Consumers

Question 43

An element is a semiconductor of electricity, metallic in luster, but shatters when hit with a hammer. Its a...

Accepted Answer

Metalloid

Answer

Metal

Answer

Non-Metal

Answer

Gas

Question 44

Groups on the periodic table are the...

Accepted Answer

Columns

Answer

Rows

Question 45

Periods on the periodic table are the...

Accepted Answer

Rows

Answer

Columns

Question 46

What does 32.06 mean for the element Sulfur (S)?

Accepted Answer

Atomic Mass

Answer

Atomic Number

Answer

Number of Neutrons

Answer

Mass of Electrons

Question 47

What does 39.098 mean for the element Potassium (K)?

Accepted Answer

Atomic Mass

Answer

Atomic Number

Answer

Number of Neutrons

Answer

Mass of Electrons

Question 48

What does 20 mean for the element Calcium (Ca)?

Accepted Answer

Atomic Number

Answer

Atomic Mass

Answer

Number of Neutrons

Answer

Mass of Electrons

Question 49

What does 47 mean for the element Silver (Ag)?

Accepted Answer

Atomic Number

Answer

Atomic Mass

Answer

Number of Neutrons

Answer

Mass of Electrons

Question 50

What 2 subatomic particles does the Atomic Number equal to?

Accepted Answer

Number of Protons & Electrons

Answer

Number of Protons & Neutrons

Answer

Number of Neutrons & Electrons

Answer

Number of Atoms in Water

Question 51

The Atomic Number is an element's identity on the Periodic Table

Accepted Answer

True

Answer

False

Question 52

The Atomic Mass is made up of Protons & Neutrons.

Accepted Answer

True

Answer

False

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