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Physical Science Mid-TERM EXAM

Total questions: 120

Worksheet time: 2hrs 59mins

Name
Class
Date
1.

What is a fluid?

a)

Must have particles that flow easily and take the shape of its container

b)

Tightly packed particles in which the particles do not move

c)

Loose particles but do not take the shape of their container

2.

Where will the greatest increase in pressure occur if you squeeze the middle of an upright. Closed soft drink bottle

a)

The pressure exerted equally throughout the bottle

b)

Only longitudinal directions

c)

From high to low areas

3.

Pressure is?

a)

amount of force exerted on a given area

b)

Gravitational pull from the sun

c)

The difference between amount of force and distance

4.

The atmosphere is mostly consisted of the following gasses?

a)

Nitrogen, helium, hydrogen

b)

fossil fuels, oxygen, gasoline

c)

nitrogen, oxygen, carbon dioxide

5.

Atmospheric pressure is exerted on everything on earth and is about

a)

201kPA

b)

101 kPA

c)

1kPA

6.

Atmospheric pressure is caused by?

a)

Loose gas

b)

The weight of the atmosphere at a particular location

c)

Force

7.

With atmospheric pressure, the higher you go?

a)

the less Atmospheric pressure

b)

the greater Atmospheric pressure

c)

Atmospheric pressure stays the same

8.

Why are you not crushed by Atmospheric pressure

a)

The Atmospheric pressure does not change the higher you go

b)

Because the food in your body is not quite disgusted yet?

c)

The fluids in your body are pushing out against the atmosphere

9.

Pressure is greater when applied over a

a)

Large area

b)

Small area

c)

Fluid

10.

The pressure exerted by water relies solely on

a)

How deep you go

b)

How shallow you are

c)

How salty/ fresh the water is

11.

Fluids always flow from

a)

Low to high pressure

b)

High to low pressure

c)

Balanced to balanced pressure

12.

Hydraulic devices do what?

a)

Use liquids to transmit fluid from one place to another

b)

Make solids permeable and allow gasses to pass through

c)

Make erosion in the ocean more bearable for marine life

13.

The upward force of an object in a liquid

a)

Buoyant force

b)

Upstance force

c)

Density force

14.

Archemedies is credited with how to measure

a)

Density

b)

Buoyant force

c)

pressure

15.

(a)   is the gravitational force acting on an object

16.

Water has a density of?

a)

3gm/cm cubed

b)

2gm/cm cubed

c)

1gm/cm cubed

17.

What is the deciding factor in allowing steel to float?

a)

it is less dense than water

b)

we can change the shape. Create more or less volume and changing the density

c)

by poking holes in the steel it allows for air circulation

18.

The upward force acting on the wing of an airplane is called

a)

Atmospheric pressure

b)

Buoyancy

c)

Lift

19.

What is the instrument that measures air pressure?

a)

Barometer

b)

Anemometer

c)

Dynamometer

20.

what is the formula for density

(a)  

21.

a student measures the mass of a 12cm3 block of brown sugar to be 21.6g. What is the density of the brown sugar ?

(a)  

22.

what is the formula for mass

(a)  

23.

What is the formula for volume

(a)  

24.

What is the formula for pressure

(a)  

25.

What is energy?

a)

the ability to cause a change

b)

The difference between work and power

c)

The difference between power and distance

26.

The energy an object has because it is in motion is called

a)

Potential energy

b)

Thermal energy

c)

Kinetic energy

27.

The amount of Kinetic energy an object has depends on the

a)

Volume

b)

Mass

c)

Density

28.

(a)   is a form of Kinetic energy that an electric current carries

29.

Stored energy, which depends on interactions among objects, particles, or atoms is called

a)

Electric energy

b)

Potential energy

c)

Thermal energy

30.

In the sun, the nuclei of atoms join in a process called

a)

Nuclear fission

b)

Gravitational potential

c)

Climate change

31.

_____ is the sum of the potential energy and the Kinetic energy in a system of objects

a)

Mechanical energy

b)

Thermal energy

c)

Wasted energy

32.

Particles in Earth's interior contain great amounts of thermal energy, which is called

a)

Geothermal energy

b)

Mapping energy

c)

Geographic energy

33.

______ are disturbances that carry energy, but do not carry matter, from one place to another.

a)

Waves

b)

Earthquakes

c)

Tidal show

34.

The energy transferred by waves moving through the ground is called

a)

Ground energy

b)

Seismic energy

c)

Tsunami energy

35.

________ energy is the energy that is carried by electromagnetic waves

a)

Radial energy

b)

Radiant energy

c)

Sun energy

36.

The transfer of energy that occurs when a force makes an object or a particle move is called

a)

Work

b)

Distance

c)

Force

37.

Force is measured in

a)

Newtons

b)

Joules

c)

Meters

38.

flowing water creates energy that can be captured and turned into electricity which is called

a)

Water flow current

b)

Ocean current

c)

Hyrdroelectric power

39.

_______ is any material made by plants and animals that we can convert into energy

a)

Energy land

b)

Biomass

c)

Clover science

d)

Geothermal energy

40.

Why is biomass considered renewable

a)

Because we can always grow plants and trees

b)

Because farmies are not as common in the U.S. compared to other countries

c)

Biomass is not considered renewable

41.

Crops like corn or sugarcane can be converted into a biofuel called

a)

Ethanol

b)

Gasoline

c)

Crop dust

42.

Animal waste such as cow manure is often used for

a)

Fertilizer

b)

Solar powers

c)

Ink inside of pens

43.

Name the two types of resources

(a)  

44.

What are three main types of fossil fuels

(a)  

45.

Which of the following are non renewable resources

a)

Natural gas

b)

Petroleum

c)

Hydropower

d)

Nuclear power

e)

Coal

46.

Explain the law of conservation of energy?

4 lines
47.

Explain the energy transformations that occur on a roller coaster

4 lines
48.

Explain the process of photosynthesis?

4 lines
49.

How were fossil fuels formed

4 lines
50.

The smallest particle of matter is

a)

nucleus

b)

Element

c)

Atom

d)

electron

51.

Neutrons have a

a)

Negative charge

b)

Positive charge

c)

Neutral charge

52.

Electrons move around in an area outside of the nucleus called the

a)

Electron cloud

b)

electron drift

c)

Passageway

53.

Atomic particles with a positive charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Ion

54.

A substance that consists of just one type of atom

a)

element

b)

compound

c)

isotope

55.

A substance containing atoms of two or more different elements chemically bonded together

a)

Element

b)

Compound

c)

Isotope

56.

Two or more substances that are physically blended

a)

Genus species

b)

mixtures

c)

compound

d)

isotope

57.

The amount of matter in an object

a)

volume

b)

weight

c)

mass

58.

The pull of gravity on matter

a)

volume

b)

weight

c)

mass

59.

The amount of space something takes up

a)

volume

b)

weight

c)

mass

60.

The mass per unit volume of a substance is

a)

conductivity

b)

solubility

c)

density

d)

mass

61.

The ability of matter to conduct electrical current

a)

Conductivity

b)

Solubility

c)

density

d)

mass

62.

The ability of one substance to dissolve in another

a)

Conductivity

b)

Solubility

c)

density

d)

mass

63.

A (a)   does not alter the chemical composition or identity of the substance

64.

A (a)   does alter the chemical composition or identity of a substance and makes new substances

65.

Energy cannot be created or destroyed, it can only be transferred from place to place and transformed from type to type describes what law?

a)

conservation of energy

b)

Kinetic molecular theory

c)

Complete Law

66.

A theory that describes the differences between the states of matter in terms of particle behavior

a)

Conservation of energy

b)

Kinetic molecular theory

c)

Complete Law

67.

Characteristics of matter that you can observe or measure without changing the identity of the matter

a)

Physical properties

b)

Chemical properties

c)

Neutral properties

68.

Part of a solution that gets dissolved

a)

solute

b)

solvent

c)

solution phase

69.

Lemonade is an example of which type of mixture

a)

Heterogeneous mixture

b)

Homogeneous mixture

c)

Coolant conductivity

70.

Is Heat changing H2O to steam Physical or Chemical

a)

Physical

b)

Chemical

71.

Is milk souring physical or chemical

a)

physical

b)

chemical

72.

write the abbreviation

Lead

4 lines
73.

Write the abbreviation

Sodium

4 lines
74.

Write the element

Kr

4 lines
75.

write the element

O

4 lines
76.

What are the two different types of mixtures?

a)

Homogeneous

b)

Heterogenous

c)

compounds

d)

elements

77.

Is lemonade a homogenous mixture

a)

Yes

b)

No

78.

Is salad a heterogenous or homogenous mixture

a)

heterogenous

b)

homogenous

79.

What are three physical properties that can be used to separate mixtures?

4 lines
80.

Describe the difference between exothermic and endothermic changes

4 lines
81.

How do you calculate neutrons

4 lines
82.

The energy an object or particle has because it is moving is called?

a)

Potential energy

b)

Kinetic energy

c)

Movement

83.

Stored energy is called

a)

Potential energy

b)

Kinetic energy

c)

Power

84.

The movement of thermal energy from a warmer object to a cooler object is called?

a)

Temperature

b)

Thermos

c)

Radiation

d)

heat

85.

(a)   represents the average kinetic energy of the particles that make up a material

86.

The sum of Kinetic and potential energy of all particles that make up an object is called

a)

potential energy

b)

thermal energy

c)

heat

87.

A direct correlation with fast moving particles

a)

low temperature

b)

Higher temperature

c)

Water is frozen

d)

Boiling point

88.

Water freezes and boils at what temperature

a)

0 degrees Celsius/ 100degrees celsius

b)

100 degrees celsius/ 50 degrees celsius

c)

75 degrees Celsius/-12 degrees celsius

89.

A student puts hot chocolate in 4 different cups to see which one would be the best insulator. If the temperature of the hot chocolate was 60 degrees Celsius whiting each cup at the start of the experiment. Which of the following would serve as the best insulator? Below is the temperature of the cup after 10 minutes.

a)

34 degrees celsius

b)

23 degrees celsius

c)

41 degrees Celsius

90.

You have two examples of of water. One at 5 degrees Celsius, the other at 25 degrees Celsius, which of the following is true

a)

The 25 degree sample has more kinetic energy

b)

They have the same kinetic energy

c)

The 5 degree sample has more kinetic energy

91.

Put the states of matter in order from highest to lowest kinetic energy.

a)

Solids, liquids, gasses

b)

Gasses, liquids, solids

c)

Liquids, solids, gasses

92.

Convert 52 degrees Celsius into Fahrenheit

4 lines
93.

Convert 48 degrees Fahrenheit to Celsius

4 lines
94.

Explain the difference between conduction, convection, and radiation, provide at least two examples of each

4 lines
95.

Explain the difference between a conductor and an insulator and provide at least two examples of each

4 lines
96.

The sum of the number of protons and neutrons

a)

Atomic number

b)

Mass number

c)

Atomic mass

d)

Isotope

97.

The number of protons in an element

a)

Atomic number

b)

Mass number

c)

Atomic mass

d)

Isotope

98.

A atom that is no longer neutral because it has gained or lost an electron?

a)

Ion

b)

Radioactive

c)

Neutron

d)

Isotope

99.

Average mass of an elements isotopes, weighted according to abundance of each isotope

a)

Atomic number

b)

Average atomic mass

c)

Mass number

d)

nuclear decay

100.

Any of two or more atoms of the same element that have different numbers of neutrons

a)

ion

b)

radioactive

c)

neutron

d)

isotope

101.

A positive ion is an atom that has

a)

Lost an electron

b)

Gained an electron

c)

Lost a proton

d)

Gained a proton

102.

Which scientist believed that matter was made of earth fire wind and water

a)

Democritus

b)

Dalton

c)

Aristotle

d)

Bohr

103.

Who is responsible for the 2000 year death of chemistry

a)

Aristotle

b)

Democritus

c)

Thomson

d)

Dalton

104.

How is the atomic number altered in alpha decay

4 lines
105.

How is the atomic number in beta decay altered

4 lines
106.

Boron contains 19.9 percent of B-10 and 80.1 percent of B-11 what is the average

4 lines
107.

Name all the parts of an atom

4 lines
108.

The most abundant element in the earth's crust is

a)

Oxygen

b)

Silicon

c)

Hydrogen

109.

Elements are organized on the periodic table according to their

a)

Atomic number

b)

Atomic weight

c)

Elemental symbol in alphabetical order

110.

According to the periodic table which of the following would be considered an Alkali metal

a)

Titanium

b)

Aluminum

c)

Platnium

d)

Sodium

111.

According to the periodic table, which of the following would be considered an Alkali earth metal

a)

Titanium

b)

Magnesium

c)

Platnium

d)

sodium

112.

According to the periodic table, which of the following would be considered a transition metal?

a)

Scandium

b)

Boron

c)

Carbon

d)

Nitrogen

113.

According to the periodic table, which of the following would be considered part of the Boron Family

a)

Scandium

b)

Gallium

c)

Carbon

d)

Nitrogen

114.

Elements in the boron family have how many valence electrons

a)

1

b)

2

c)

3

d)

4

115.

The element carbon is called

a)

interegation of chemical elements

b)

the basis of life

c)

Organic Chem 101

116.

Which family is unreactive because their valence electron level is full

a)

Halogens

b)

Boron

c)

Noble gasses

117.

Who is considered the father of the periodic table

a)

Einstien

b)

Ralph Laueren

c)

Mendeleev

118.

This category is found a long the staircase containing properties of both metals and nonmetals

a)

Boron family

b)

Noble gasses

c)

Metalloids

119.

symbol for silver

4 lines
120.

symbol for iron

4 lines

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