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Matter and Energy STAAR Review

Total questions: 73

Worksheet time: 59mins

Name
Class
Date
1.

Which subatomic particle(s) are found in the electron cloud of an atom? Choose all that apply.

a)

proton

b)

neutron

c)

electron

2.

An atom's central region, which is made up of protons and neutrons is called--

a)

Electron Cloud

b)

Nucleolus

c)

Nucleus

d)

Atomic Number

3.

A region around the nucleus of an atom where electrons are found.

a)

Electron Nucleus

b)

Electron Cloud

c)

Cloud of Electrons

d)

Electron

4.

The smallest unit of an element that maintains the properties of that element is known as--

a)

a proton

b)

a neutron

c)

an element

d)

an atom

5.

A subatomic particle with a positive charge is called --

a)

a proton

b)

a neutron

c)

an electron

d)

a nucleus

6.

An arrangement of elements in order of their atomic numbers such that elements with similar properties fall in the same column or group.

a)

Atomic Number

b)

Electron Cloud

c)

Periodic Table

d)

Nucleus

7.

A neutron is ---

a)

a subatomic particle with a negative charge.

b)

a subatomic particle with a neutral charge.

c)

the center of the atom where subatomic particles are found.

d)

a subatomic particle with a positive charge.

8.

A subatomic particle that has a negative charge is called --

a)

a proton

b)

a neutron

c)

an electron

d)

the nucleus

9.

The number of protons in the nucleus of an atom is called the --

a)

atom

b)

proton

c)

atomic mass number

d)

atomic number

10.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
11.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

12.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
13.

what is the biggest group on the table

a)

metals

b)

nonmetals

c)

metaloids

d)

halogens

14.

how many rows are on the table

a)

4

b)

5

c)

6

d)

7

15.

how many groups/families are on the table

a)

15

b)

16

c)

17

d)

18

16.

what is the name of group number 1

a)

halogens

b)

noble gases

c)

alkali

d)

alkaline earth

17.

what is the name of group number 2

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth

18.

what is the big group of metals called found within the metals

a)

transition metals

b)

nonmetals

c)

noble gases

d)

halogens

19.

where are the metaloids found

a)

far left, vertical

b)

stair step/diagonal

c)

far right horizontal

d)

at the bottom

20.

what group number are the noble gases

a)

17

b)

18

c)

14

d)

15

21.

what is the small group of elements called that include C,N,O

a)

metals

b)

nonmetals

c)

metaloids

d)

noble gases

22.
How many different elements are in this chemical formula: C2H2ClK3
a)
6
b)
8
c)
2
d)
4
23.
Which of the following atomic symbols for bromine is written correctly?
a)
bR
b)
BR
c)
Br
d)
br
24.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
25.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
26.
2H2 + O2 --------> 2H2O What  are the reactants?
a)
----->
b)
2H2O
c)
2H2 +O2
27.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
28.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
29.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
30.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
31.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
32.

Carbon

a)

C

b)

Ca

c)

Cu

d)

Cr

33.

Neon

a)

No

b)

Na

c)

Ne

d)

Ni

34.

Sodium

a)

Ne

b)

S

c)

Na

d)

Mg

35.

Fluorine

a)

Fl

b)

Ra

c)

Fr

d)

F

36.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
37.

Based on the picture, what is Q?

a)

Water

b)

Carbon dioxide

c)

Chlorophyll

d)

Sunlight

38.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

39.

What is a Producer?

a)

An animal that eat plants

b)

An animal that eats meat

c)

is a plant that produces their own food

d)

An animal that grows really tall

40.

What is the bottom layer of the an energy pyramid?

a)

producer

b)

tertiary consumer

c)

Secondary consumer

d)

primary consumer

41.

What does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal the higher it is on the pyramid

42.

What would happen if their were no producers?

a)

Every population would grow larger

b)

Everything would die out

c)

The animals would make their own food

43.
True or False: a physical change may produce a new substance.
a)
True
b)
False
44.
Which of the following is an example of a precipitate?
a)
liquid evaporating into gas
b)
a solid formed from a frozen liquid
c)
a chunk solid formed from two liquids combining
d)
a liquid solution that contains two substances
45.
Which of the following physical changes shows a change in a substance's state of matter?
a)
a piece of paper being torn in half
b)
clay being molded into a bowl
c)
an ice cube being crushed
d)
liquid water becoming steam
46.

Which type of change is most often easily reversed?

a)

Chemical

b)

Physical

c)

Both a physical and chemical change.

d)

Neither a physical or chemical change.

47.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

48.

Identify what type of change happening in the picture below...

a)

Chemical Reaction

b)

Physical Change

c)

Change in State

d)

Change in appearance only

49.

Which type of change are irreversible?

a)

Chemical Changes

b)

Physical Changes

c)

Changes in State

d)

Changes in Temperature

50.

During Chemical Reactions, the new substances created are called?

a)

Precipitate

b)

Corrosion

c)

Reactants

d)

Products

51.

What scientific tool is best to measure the length of a classroom?

a)

Meter Stick

b)

Ruler

c)

Graduated Cylinder

d)

Triple Beam Balance

52.

What scientific tool is used to measure the mass of an object like a beaker?

a)

Meter Stick

b)

Ruler

c)

Graduated Cylinder

d)

Triple Beam Balance

53.

What unit is used for measuring MASS in the metric system?

a)

Grams

b)

Liters

c)

Meters

d)

Miles

54.

Which unit of the metric system is used for measuring VOLUME?

a)

Meters

b)

Liters

c)

Grams

d)

Ounces

55.

What is the name of this metric tool?

a)

Triple Beam Balance

b)

Graduated Cylinder

c)

Massometer

56.

Find the mass.

a)

550.4 g

b)

559.4 g

c)

550.6 g

57.

Find the mass.

a)

285.3 g

b)

275.5 g

c)

275.3 g

58.

What is the value on the balance?

a)

240.0 g

b)

142.0 g

c)

100.4 g

59.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
60.
What is the volume of the liquid in this graduated cylinder?
a)
8.5 mL 
b)
7.5 mL 
c)
8 mL 
d)
.1 mL
61.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
62.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
63.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
64.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
65.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
66.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
67.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
68.
Element or Compound?
H2O
a)
Element
b)
Compound
69.
Element or Compound?
H2SO4
a)
Element
b)
Compound
70.
Element or Compound?
Au
a)
Element
b)
Compound
71.
Element or Compound?
Ru
a)
Element
b)
Compound
72.
Element or Compound?
Oxygen
a)
Element
b)
Compound
73.
Element or Compound?
NiSO4
a)
Element
b)
Compound

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