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STAAR Review

Total questions: 55

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

2.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
3.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
4.
The nucleus of an atom is made of
a)
electrons and protons
b)
electrons and neutrons
c)
protons and neutrons
d)
empty space
5.
Outside the nucleus of an atom are these
a)
protons
b)
neutrons
c)
quarks
d)
electrons
6.
The mass of this particle is so small that it is not counted.
a)
proton
b)
electron
c)
neutron
d)
quark
7.

What does 9 represent on this periodic table square?

a)

9 protons

b)

9 neutrons

c)

atomic mass

d)

9 elements

8.

The number 17 on this element square tells us that Chlorine atoms have

a)

17 atoms

b)

17 Neutrons & Protons

c)

17 Protons, Electrons, and an atomic # of 17

d)

An atomic # of 17, 17 Protons, and 17 Neutrons

9.

Refer to the image. Which of these is NOT found in the nucleus of an atom?

a)

protons

b)

neutrons

c)

electrons

d)

atomic mass

10.

When determining an element's identity, what is the most important subatomic particle to examine?

a)

protons

b)

neutrons

c)

electrons

d)

atomic mass

11.

The most reactive metal is one with ―

a)

4 valence electrons

b)

1 valence electron

c)

2 valence electrons

d)

3 valence electrons

12.

An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?

a)

Magnesium

b)

Vanadium

c)

Sodium

d)

Titanium

13.

When determining an element’s chemical properties, the most important subatomic particle to look at is —

a)

protons

b)

neutrons

c)

electrons

d)

valence electrons

14.
Sodium (Na) is found in period 
a)
3
b)
2
c)
4
d)
1
15.
Sodium (Na) is found in group 
a)
1
b)
2
c)
3
d)
4
16.

Based on the data, which number shows the correct location of the element with 2 valence electrons and 3 energy levels.

a)

1

b)

2

c)

3

d)

4

17.

Which pair of properties describe the elements in group 18

a)

They have 8 valence electrons and are very reactive

b)

They have 8 energy levels and are stable

c)

They are gases at room temperature and are stable

d)

They are gases at room temperature and very reactive.

18.

Which pair of properties describes the elements in Group 1?

a)

They are chemically stable

b)

They have 8 valence electrons

c)

They are the most reactive metals

d)

They are the most reactive non metals

19.
Nonmetals are ________ compared to metals.
a)
highly conductive
b)
brittle
c)
ductile
d)
non-conductive
20.

A group of elements are usually brittle, can be shiny or dull, and are semi-conductors of heat and electricity. What is the classification of these elements?

a)

metals

b)

nonmetals

c)

metalloids

21.

A semiconductor would be a -

a)

metal

b)

nonmetal

c)

metalloid

22.

Cesium (Cs) is an element found on the far left side of the Periodic Table. Which type of element is it?

a)

metal

b)

nonmetal

c)

metalloid

23.
Which of the following could indicate a chemical change? 
a)
All of the answers could indicate Chemical Change 
b)
a color change has occurred 
c)
bubbles appear 
d)
properties are different after a reaction
24.
How is a physical change different from a chemical change?
a)
There is absolutely no difference
b)
Chemical changes produce a new substance, physical changes stay the same substance
c)
Chemical changes create and destroy matter, physical changes don't
d)
Physical changes create and destroy matter, chemical changes dont
25.

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

a)

4

b)

6

c)

12

d)

24

26.

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

a)

3

b)

4

c)

5

d)

6

27.

A ball is projected into the air. Where is potential energy the greatest?

a)
b)
c)
d)
28.

Which point on the roller coaster's path represents the maximum potential energy?

a)
b)
c)
d)
29.

When gasoline is burned in a car engine, ________ energy is converted into _________ energy.

a)

heat, chemical

b)

chemical, potential

c)

mechanical, chemical

d)

chemical, mechanical

30.

How many oxygen atoms are in this chemical formula?

a)

6 oxygen atoms

b)

2 oxygen atoms

c)

3 oxygen atoms

d)

4 oxygen atoms

31.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
32.

A car accelerating around a mountain curve

a)

Balanced

b)

Unbalanced

33.

Two ice skaters moving in a straight line at a constant speed

a)

Balanced

b)

Unbalanced

34.

A book sitting on a shelf

a)

Balanced

b)

Unbalanced

35.

Which of the following is a complete description of the velocity of an object in motion?

a)

A train travels due west at 90 km/h.

b)

A 7 kg bowling ball rolls a distance of 20 m in 3 s.

c)

A runner jogs 6 km/h for 10 minutes.

d)

Birds fly 600 km south for the winter.

36.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
37.

Which of Newton's Laws states that an object's force depends on an object's mass?

a)

Newton's 1st Law of Motion

b)

Newton's 2st Law of Motion

c)

Newton's 3st Law of Motion

38.

According to Newton's law, when a person pushes on a wall, the wall will have a equal and opposite reaction. Which Newton's law does this apply to?

a)

Newton's 1st law

b)

Newton's 2st law

c)

Newton's 3st law

d)

Newton's 4st law

39.
Which of the following is most likely a cause of hurricanes?
a)
Cooler ocean temperatures
b)
Warmer ocean temperatures
c)
Large ocean waves
d)
Strong ocean currents
40.
What type of weather usually goes with this symbol?
a)
Clear, sunny skies
b)
Cloudy skies
c)
Hot temperature
d)
Thunderstorms
41.
When air pressure is high, what type of weather do we experience?
a)
sunny and clear
b)
rainy and cloudy
42.
When air pressure is low, what type of weather do we experience?
a)
sunny and clear
b)
rainy and cloudy
43.

The Southern Hemisphere experiences the coldest seasonal weather during what portion of the Earth’s orbit?

a)

When the orbital speed of the Earth is the fastest.

b)

During the time when the Earth passes Jupiter.

c)

When the South Pole tilts away from the Sun.

d)

During the time when both hemispheres have a full moon.

44.
Which part of Earth is experiencing night?
a)
A
b)
B
c)
C
d)
D
45.
Which season is taking place in the Northern Hemisphere in Position 3?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
46.
Which season is taking place in the Northern Hemisphere in Position 4?
a)

Winter

b)

Spring

c)

Summer

d)

Fall

47.

First Quarter

a)
b)
c)
d)
48.

Last Quarter

a)
b)
c)
d)
49.

What will the phase of the moon be in the diagram?

a)

new moon

b)

waning gibbous

c)

first quarter

d)

full moon

50.

What is the moon phase on day 7 in the picture?

a)

first quarter

b)

full moon

c)

last quarter

d)

new moon

51.

What moon phase is shown in the picture?

a)

first quarter

b)

new moon

c)

last quarter

d)

full moon

52.

What moon phase occurs about 7 days after a full moon?

a)

new moon

b)

waning gibbous

c)

waxing gibbous

d)

last quarter

53.

What causes day & night?

a)

Earth's rotation on the equator

b)

Earth's revolution around the Sun

c)

The Moon's rotation around the Sun

d)

Earth's rotation on its axis

54.

Which of the following is NOT a biotic factor?

a)

Coyote

b)

air

c)

elephant

55.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living

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