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Midterm Review

Total questions: 62

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Observable characteristics such as texture, color, size, and mass are known as...

a)

combinations

b)

states of matter

c)

physical properties

d)

scientific tools

2.
The amount of matter something contains is its ______________.
a)
gas
b)
solid
c)
weight
d)
mass
3.

A state of matter that has a definite volume and shape.

a)

solid

b)

liquid

c)

gas

d)

plasma

4.

A state of matter that has a definite volume but indefinite shape.

a)

solid

b)

liquid

c)

gas

d)

plasma

5.

Which of the following is NOT a solution?

a)

Lemonade

b)

Salt water

c)

Soda

d)

Lemon Juice

6.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

7.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

8.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

9.

What kind of matter is this?

a)

Element

b)

Compound

c)

Mixture

10.

What kind of matter is soil?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

11.

What kind of matter is salt (NaCl)?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

12.

What kind of matter is milk?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

13.

What kind of matter is Iron (Fe)?

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

14.

pH number 3

a)

Acid

b)

Base

c)

Neutral

15.

pH number 7

a)

Acid

b)

Base

c)

Neutral

16.

pH number 14

a)

Acid

b)

Base

c)

Neutral

17.

According to the pH range which substance is MORE acidic than lemon juice?

a)

hydrochloric acid

b)

cabbage

c)

milk

18.

Taste bitter.

a)

acid

b)

base

c)

nuetral

19.

Which statement is true about acids?

a)

turns litmus paper blue

b)

taste sour

c)

good cleaner

20.

Which is more basic?

a)

soapy water

b)

ammonia

c)

bleach

21.
If reaction starts with 20g of reactants it should produce... 
a)
a total of 40g of product
b)
a total of 10g of product
c)
a total of 80 g of product
d)
a total of 20g of product
22.
What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?
a)
They both will weigh the same
b)
The product always weighs more than the reactant
c)
The reactant will weigh more than the product
d)
They both will loose mass after the reaction
23.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

24.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

25.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

26.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

27.

a unique number for each element that equals the number of protons in an atom of that element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

28.

the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

29.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

30.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

31.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
32.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
33.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
34.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
35.

True or False: The reactivity of metals tends to decrease as you move from left to right across the periodic table.

a)

True

b)

False

36.

Name this group: These metals are the most reactive.

a)
b)
c)
d)
37.

Which of the following could be properties of nonmetals?

a)

Poor electrical conductivity

b)

Poor thermal conductivity

c)

Dullness

d)

Brittleness

38.

These two elements have similar chemical properties to Barium (Ba).

a)

Ca and Ra, because they are in the same group.

b)

Cs and La, because they are in the same period number.

c)

Ca and Y, because they are 90 degree angle.

39.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
40.
Look at this image.  Which object has the LOWEST density in water? How? 
a)
The Ping Pong Ball because it floats to the top 
b)
The bolt because it has sunk to the bottom
c)
The soda cap because it is not just full of air like the Ping Pong ball
41.
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
42.
If an object has a density of .6 g/mL and you put it into water, will it sink or float?  
a)
sink
b)
float
43.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
44.

As temperature rises ___________.

a)

an atom's kinetic energy stays the same

b)

an atom's kinetic energy increases

c)

an atom's kinetic energy decreases

d)

an atom's mass increases

45.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
46.

The two REACTANTS of photosynthesis are

a)

Water and Carbon Dioxide

b)

Water and Oxygen

c)

Glucose and Oxygen

d)

Glucose and Water

47.

The two PRODUCTS of photosynthesis are

a)

Water and Oxygen

b)

Water and Carbon Dioxide

c)

Glucose and Oxygen

d)

Glucose and Carbon Dioxide

48.

Cellular Respiration occurs in what cell organelle?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

animal

49.

Which of these is a product of cellular respiration?

a)

ATP

b)

Carbon dioxide

c)

Water

d)

All of these are a product of cellular respiration

50.

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

51.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
52.
Which process converts carbon in the form of sugar into carbon dioxide gas?
a)
Bioremediation
b)
Photosynthesis
c)
Respiration
d)
Transpiration
53.

Which describes the relationship between plants and animals in the carbon cycle?

a)

Plants produce and release oxygen that animals need

b)

Plants produce and release carbon dioxide that animals need

c)

Animals produce and release oxygen that plants need

d)

Animals produce oxygen that plants turn into carbon dioxide

54.

C6H12O6 is also known as glucose (sugar). Where is it found?

a)

Plants

b)

Animals

c)

Both plants and animals

d)

Neither plants or animals

55.

Carbon molecules cannot be created or destroyed

a)

True

b)

False

c)

Not enough information to answer

56.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
57.
A combination that can be separated by physical processes is a .....
a)
Atom
b)
Compound
c)
Element
d)
Mixture
58.

A __________________ is defined as a homogeneous mixture of two or more substances.

a)

Solution

b)

Solvent

c)

Solute

d)

Compound

59.
A saturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
60.

Which of the following actions will NOT

increase the rate of dissolution

(dissolving)?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

61.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
62.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty