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PSCP - Semester 1 FINAL REVIEW

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Which of the following is the correct order for the scientific method?

a)

Question - Hypothesis - Experiment - Conclusion

b)

Question - Experiment - Hypothesis - Conclusion

c)

Hypothesis - Question - Conclusion - Experiment

d)

Hypothesis - Experiment - Question - Conclusion

2.

Which mathematical relationship is shown?

a)

direct

b)

inverse

c)

exponential

d)

none

3.

Which mathematical relationship is shown?

a)

direct

b)

inverse

c)

exponential

d)

none

4.

Where is the independent variable located on a line graph?

a)

on the x-axis

b)

on the y-axis

5.

Where is the dependent variable located on a line graph?

a)

on the x-axis

b)

on the y-axis

6.

Select the TWO choices that are considered to be applied science.

a)

using your cell phone to snapchat your best friend

b)

determining how long it takes you to walk to lunch

c)

creating a vocabulary Quizlet on your Macbook

d)

researching pendulums to learn how they work

7.

Which of the following is considered a physical change?

a)

cutting your hair

b)

burning a piece of paper

c)

rust forming on a car bumper

d)

green patina forming on a penny

8.

Which substance is made of only ONE KIND OF ATOM?

a)

solution

b)

compound

c)

suspension

d)

element

9.

Which type of mixture needs to be shaken because it separates into layers?

a)

solution

b)

suspension

c)

colloid

d)

compound

10.

What 2 major groups is matter broken in to?

a)

pure substances & mixtures

b)

homogeneous & heterogeneous

c)

elements & compounds

d)

solutions & suspensions

11.

What is the most common state of matter in the universe?

a)

solid

b)

liquid

c)

gas

d)

plasma

12.

When objects experience a phase change, they do not experience a temperature change.


What is happening at the molecular level?

a)

particles start to move faster

b)

particles start to move slower

c)

it depends on what phase change is occuring

d)

particle speed stays the same

13.

Which of the following are definitions of pressure? (PICK TWO.)

a)

Force caused by the collision between particles and the walls of their container

b)

Force per unit area

c)

An upward force exerted on a floating object

d)

A description of how gases are affected by temperature, pressure, and volume

14.

Which state of matter has no shape and no volume?

a)

solid

b)

liquid

c)

gas

d)

photon

15.

Which subatomic particles contribute to the mass number of an atom?

a)

protons and neutrons

b)

protons and electrons

c)

neutrons and electrons

d)

protons, neutrons, and electrons

16.

How is mass calculated for an atom?

a)

protons + neutrons

b)

protons + electrons

c)

protons - neutrons

d)

neutrons - electrons

17.

Which of the following is the same as the atomic number of an atom?

a)

number of protons

b)

number of electrons

c)

number of protons + neutrons

d)

number of protons + electrons

18.

Which of the following is NOT true about Carbon-12 and Carbon-14

a)

they have the same number of protons

b)

they are isotopes of each other

c)

they have the same number of neutrons

d)

they are the same element with different masses

19.

Which subatomic particle has no relative mass?

a)

proton

b)

neutron

c)

electron

d)

photon

20.

Which of the following elements are in the same period?

a)

Ni, Cu, Zn

b)

Ni, Ag, Hg

c)

Ga, In, Tl

d)

As, Sb, Bi

21.

Which of the following elements are in the same group?

a)

Ni, Cu, Zn

b)

Ni, Ag, Hg

c)

Ga, In, Tl

d)

As, Ge, Ga

22.

What happens to the number of valence electrons as you move from left to right across the periodic table?

a)

they increase

b)

they decrease

c)

they increase and then decrease

d)

they stay the same

23.

What happens to the number of valence electrons as you move up and down a group on the periodic table?

a)

they increase

b)

they decrease

c)

they increase and then decrease

d)

they stay the same

24.

What number of valence electrons tends to be the MOST reactive?

a)

2 and 3

b)

3 and 4

c)

5 and 6

d)

1 and 7

25.

What does the prefix di- tell you about disulfide?

a)

There are 2 sulfur atoms

b)

There are 4 sulfur atoms

c)

There is 1 sulfur atom

d)

There are 3 sulfur atoms

26.

What does the prefix tetra- tell you about tetrasulfide?

a)

There are 2 sulfur atoms

b)

There are 4 sulfur atoms

c)

There is 1 sulfur atom

d)

There are 3 sulfur atoms

27.

What type of bond is formed by the sharing of electrons?

a)

ionic

b)

covalent

c)

metallic

d)

hydrogen

28.

What type of bond is formed by the transfer of electrons?

a)

ionic

b)

covalent

c)

metallic

d)

hydrogen

29.

What type of bond is formed by the "sea of electrons" shared among positive cations?

a)

ionic

b)

covalent

c)

metallic

d)

hydrogen

30.

What subatomic particle is responsible for chemical bonding?

a)

protons

b)

neutrons

c)

core electrons

d)

valence electrons

31.

Which of the following does NOT need to be conserved during a chemical reaction?

a)

mass

b)

energy

c)

number of bonds

d)

number of each element

32.

If I run a chemical reaction and my reactants have 5000 kJ of energy, how much energy should my products have?

a)

5000 kJ

b)

2500 kJ

c)

1250 kJ

d)

0 kJ

33.

At the beginning of a reaction, Miss Nelson has 500 g of reactants. How much mass should she end with?

a)

500 g

b)

250 g

c)

125 g

d)

0 g

34.

What kind of reaction is represented below?


C + H2O --> CO + H2

a)

single replacement

b)

double replacement

c)

synthesis

d)

decomposition

e)

combustion

35.

What kind of reaction is represented below?


CH4 + 2 O2 --> CO2 + 2 H2O

a)

single replacement

b)

double replacement

c)

synthesis

d)

decomposition

e)

combustion

36.

What kind of reaction is represented below?


2 Mg + O2 --> 2 MgO

a)

single replacement

b)

double replacement

c)

synthesis

d)

decomposition

e)

combustion

37.

What kind of reaction is represented below?


2 Al2O3 --> 4 Al + 3 O2

a)

single replacement

b)

double replacement

c)

synthesis

d)

decomposition

e)

combustion

38.

What kind of reaction is represented below?


SiO2 + 4 HF --> 2 H2O + SiF4

a)

single replacement

b)

double replacement

c)

synthesis

d)

decomposition

e)

combustion

39.

What are the reactants in the following equation?


2 Fe (s) + 3 H2SO4 (aq) --> Fe2(SO4)3 (aq) + 3 H2 (g)

a)

Fe and H2SO4

b)

Fe2(SO4)3 and H2

c)

Fe and H2

d)

H2SO4 and Fe2(SO4)3

40.

What are the products in the following equation?


2 Fe (s) + 3 H2SO4 (aq) --> Fe2(SO4)3 (aq) + 3 H2 (g)

a)

Fe and H2SO4

b)

Fe2(SO4)3 and H2

c)

Fe and H2

d)

H2SO4 and Fe2(SO4)3

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