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6th Grade Midterm

Total questions: 79

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

Observations that are made using numbers or measurements.

a)

quantitative data

b)

qualitative data

c)

variable

d)

constant

2.

A prediction that can be tested is called...

a)

constant

b)

hypothesis

c)

variable

d)

dependent variable

3.

A well designed experiment should be repeated.

a)

True

b)

False

4.

Scientific investigation is...

a)

the way scientists study the natural world

b)

guessing on everything

c)

observations dealing with numbers and amounts

d)

comparing ideas and data to reach a conclusion about them

5.

Counted the number of barnacles on a boat would be what type of data?

a)

qualitative

b)

quantitative

c)

quick

d)

quiver

6.

Evaluating is....

a)

the process of making an inference based on prior knowledge

b)

observations that deals with descriptions that cannot be expressed with numbers

c)

comparing ideas and data to reach a conclusion about them

d)

a way of learning about the natural world

7.

Describing the barnacles on a boat would be what type of data?

a)

qualitative

b)

quantitative

8.

What are two words that should be in your hypothesis?

a)

I think

b)

It will

c)

If...then..

d)

No idea

9.

An independent variable is...

a)

what you can NOT control: the effect

b)

what you change and control in an experiment: the cause

10.

A dependent variable is...

a)

what you can NOT control: the effect

b)

what you change and control in an experiment: the cause

11.

What is a system?

a)

A group of parts that work together to perform a function or produce a result

b)

A group of people

c)

The energy put out

d)

The energy put in

12.

___________ is the material or energy that goes INTO a system.

a)

Feedback

b)

Input

c)

Output

d)

System

13.

__________ is the material or energy that comes OUT of a system.

a)

Feedback

b)

Input

c)

Output

d)

System

14.

_________ is an undesirable result of an action.

a)

Cost

b)

Model

c)

Benefit

d)

Climate

15.

_______ is a desirable result of an action.

a)

Cost

b)

Model

c)

Benefit

d)

Climate

16.
The study of how matter changes.
a)
chemistry
b)
substance
c)
matter
17.
Physical and chemical properties: temperature softness, liquid, solid, gas
a)
substance
b)
matter properties
c)
mass
18.
A characteristic of a substance that can change, but does not produce a different substance.
a)
volume
b)
chemical property
c)
physical property
19.
The measure of the force of gravity on you.
a)
mass
b)
weight
c)
volume
20.
A characteristic of a substance that describes its ability to change into different substances.
a)
chemical property
b)
weight
c)
physical property
21.
The measure of how much mass of a substance is contained in a given volume. Equation: D = m/V Units: g/mL
a)
density
b)
mass
c)
volume
22.
The amount of matter in an object
a)
density
b)
mass
c)
volume
23.
Atoms are...
a)
The basic particle from which all elements are made. Has a positively charged nucleus surrounded by a “cloud” of negative charge
b)
A substance made of two or more elements. (H2O is two hydrogen with one oxygen, making water).
c)
Two or more substances mixed: you can see the different parts and can easily be separated.
d)
Option 4
24.
Elements are
a)
A substance made of two or more elements. (H2O is two hydrogen with one oxygen, making water).
b)
Two or more substances mixed: you can NOT see the different parts, and difficult to separate.
c)
A substance that cannot be broken down into any other substances by chemical or physical means. The simplest substance. Different depending on their atomic makeup.
25.
A heterogeneous mixture is
a)
Two or more substances mixed: you can see the different parts and can easily be separated.
b)
A substance that cannot be broken down into any other substances by chemical or physical means. The simplest substance. Different depending on their atomic makeup
c)
Two or more substances mixed: you can NOT see the different parts, and difficult to separate.
26.
A homogeneous mixture is
a)
Two or more substances mixed: you can see the different parts and can easily be separated.
b)
A group of two or more atoms held together by bonds (AKA chemical bonds)
c)
Two or more substances mixed: you can NOT see the different parts, and difficult to separate.
27.
A solution is
a)
An example of homogeneous mixture. It is a solid (solute) dissolved in a liquid (solvent).
b)
A substance made of two or more elements. (H2O is two hydrogen with one oxygen, making water).
c)
A substance that cannot be broken down into any other substances by chemical or physical means. The simplest substance. Different depending on their atomic makeup.
28.
What is conduction?
a)
can be hammered or rolled into flat sheets
b)
transfer heat and electrical energy through matter.
c)
break easily
29.
If it can attract metals to it, it is
a)
conductive
b)
brittle
c)
magnetic
30.
If something breaks easily, it is
a)
conductive
b)
brittle
c)
ductile
31.
An object you observe has luster, and is conductive without any special conditions, it might be
a)
metal
b)
nonmetal
c)
metalloid
32.
An object you observe is brittle and has low density, what might it be?
a)
metal
b)
nonmetal
c)
metalloid
33.

An object you observe is only conductive under special conditions, what might it be?

a)
metal
b)
nonmetal
c)
metalloid
34.

Atmosphere is...

a)

when a substance changes into another new substance

b)

altering the form or appearance of matter

c)

a layer that contains a combination of gasses

35.

Exothermic change is...

a)

release of energy (heat and light)

b)

absorbing energy

36.

Where is chemical energy stored?

a)

food

b)

fuel

c)

cells in your body

d)

all of the above

37.

Endothermic change releases energy.

a)

True

b)

False

38.

_______ is the distance the object moves per unit of time. In other words, distance divided by time.

a)

Reference point

b)

Speed

c)

Distance

39.

Speed at which an object is moving at a given instant in time.

a)

Average speed

b)

Instantaneous speed

40.

_________ is the total distance divided by total time, having several records.

a)

Average speed

b)

Instantaneous speed

41.

Thermal energy is...

a)

total energy of the motion of all particles in an object

b)

energy that is stored in food, fuels, and even cells in our body

42.

_______ is speed in a given direction.

a)

Acceleration

b)

Slope

c)

Velocity

43.

__________ a change in velocity due to changes in direction and speed. To measure, you must measure the changes in an object's speed and direction.

a)

Acceleration

b)

Slope

c)

Velocity

44.

________ is the overall force acting on an object when all the individual forces acting on it are added together.

a)

Balanced force

b)

Net force

c)

Unbalanced force

45.

_________ forces cancel each other out, and have absolutely no effect on motion.

a)

Balanced force

b)

Net force

c)

Unbalanced force

46.

______ forces acting on an object can change the position of an object or the direction of speed of an object's motion.

a)

Balanced forces

b)

Net forces

c)

Unbalanced forces

47.

What are we mostly made of?

a)

Food

b)

nitrogen and helium

c)

water and carbon

d)

oxygen

48.

How much of the earth is made of water?

a)

80%

b)

70%

c)

90%

d)

74%

49.

What type of reasoning starts with a specific concept and then makes a general conclusion?

a)

Deductive reasoning

b)

Inductive reasoning

50.

What are the four most common elements?

a)

carbon, tungsten, helium, sodium

b)

carbon, hydrogen, oxygen, helium

c)

oxygen, sodium, calcium, radium

d)

oxygen, iron, cadmium, nitrogen

51.

What is the Law of Conservation of Mass?

a)

"Matter can be created and stored."

b)

"Matter can be folded and destroyed."

c)

"Matter can not be created nor destroyed."

52.

Slope is...

a)

a speed in a given direction

b)

the steepness of a line on a graph

c)

total distance divided by total time, having several records.

53.

_________ is the vertical information on a graph.

a)

rise

b)

run

54.

_________ is the horizontal information on a graph.

a)

Rise

b)

Run

55.

What is force?

a)

making someone do something

b)

something in Star Wars

c)

to push and pul

56.

What is the unit for force?

a)

Kelvins

b)

meters/seconds

c)

Newtons

d)

Celcius

57.

_______ force attracts some metals.

a)

gravitational

b)

electric

c)

magnetic

58.

_______ force pulls objects down to the Earth's surface.

a)

gravitational

b)

electric

c)

magnetic

59.

________ force carries electric charge.

a)

Gravitational

b)

Electric

c)

Magnetic

60.

What causes moving objects to slow down?

a)

Newtons

b)

Friction

c)

Fraction

d)

Electricity

61.

Work is...

a)

Force x Distance

b)

(Force x Distance) / speed

c)

12\frac{1}{2} mass X speed2

62.

Power is...

a)

Force x Distance

b)

(Force x Distance) / speed

c)

12\frac{1}{2} mass X speed2

63.

_______ is the amount of force you put into a system.

a)

Output

b)

Input

64.

_______ is the amount of force the machine puts in.

a)

Output

b)

Input

65.

True or False:

Work and Energy are the same.

a)

True

b)

False

66.

Kinetic energy is...

a)

12\frac{1}{2} x mass x speed2

b)

weight x height

67.

Gravitational potential energy is...

a)

12\frac{1}{2} x mass x speed2

b)

weight x height

68.

What is absolute zero?

a)

When the temperature is at 200 K

b)

When the temperature is at 0 K

c)

When the temperature is 10 C

69.

Which is a characteristic of a mineral?

a)

beauty

b)

hardness

c)

weight

70.

What rock is formed from magma or lava?

a)

Metamorphic

b)

Sedimentary

c)

Igneous

71.

What rock is formed from other rocks that are put under high heat and high pressure?

a)

Metamorphic

b)

Sedimentary

c)

Igneous

72.

What rock is formed from sediments that are compacted and cemented together?

a)

Metamorphic

b)

Sedimentary

c)

Igneous

73.

Which is an example of a simple machine?

a)

Cars

b)

Inclined plane

c)

Volleyball

74.

What type of simple machine is this?

a)

Inclined plane

b)

Screw

c)

Pulley

d)

Lever

75-79.

Types of Energy

Energy is the ability to do work, and it comes in various forms. Two main categories of energy sources are renewable and non-renewable. Let's explore each of these types.

Renewable Energy Sources: Renewable energy sources are those that can be replenished naturally. Examples include solar energy, wind energy, hydroelectric power, and geothermal energy. Solar energy is obtained from the sun and can be converted into electricity using solar panels. Wind energy is harnessed by wind turbines, which convert the kinetic energy of the wind into electrical energy. Hydroelectric power is generated by the force of moving water, such as rivers or waterfalls. Geothermal energy is derived from the heat within the Earth's core.

Non-renewable Energy Sources: Non-renewable energy sources are finite and cannot be replenished within a human lifespan. Fossil fuels, such as coal, oil, and natural gas, are examples of non-renewable energy sources. These fuels were formed millions of years ago from the remains of plants and animals. When burned, they release carbon dioxide and other greenhouse gases, contributing to climate change. Nuclear energy is another non-renewable energy source that is obtained from the splitting of atoms in a process called nuclear fission.

In conclusion, understanding the different types of energy sources is crucial for making informed decisions about our energy consumption. Renewable energy sources offer a sustainable and environmentally friendly alternative to non-renewable sources. By harnessing the power of renewable energy, we can reduce our dependence on fossil fuels and mitigate the negative impacts of climate change.

75.

Which of the following is a sustainable and environmentally friendly alternative to non-renewable sources? In other words, which is a renewable source of energy?

a)

Coal

b)

Solar power

c)

Natural gas

d)

Oil

76.

What are some examples of non-renewable energy sources that contribute to climate change?

4 lines
77.

Renewable energy can help reduce our dependence on fossil fuels and mitigate the negative impacts of climate (a)   .

78.

Which of the following is crucial for making informed decisions about our energy consumption?

a)

Understanding the use of fossil fuels

b)

Knowing the history of energy consumption

c)

Exploring technologies

d)

Analyzing global trends

79.

Which of the following is an example of a non-renewable energy source?

a)

Geothermal energy

b)

Wind energy

c)

Solar energy

d)

Natural gas

80-84.

Periodic Table

The periodic table is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. It is divided into metals, nonmetals, and metalloids. Metals are typically shiny, malleable, and good conductors of heat and electricity. They are found on the left side and middle of the periodic table. Nonmetals, on the other hand, are generally poor conductors of heat and electricity and are located on the right side of the table. Metalloids have properties that are intermediate between metals and nonmetals.

The periodic table is also organized into periods and groups. Periods are the horizontal rows of elements, numbered from 1 to 7. Each period represents a different energy level or shell of electrons. Groups, on the other hand, are the vertical columns of elements, numbered from 1 to 18. Elements in the same group have similar chemical properties due to their similar electron configurations. The periodic table currently has 18 groups, with the first two groups being the alkali metals and alkaline earth metals.

Understanding the periodic table is essential for studying chemistry as it provides a systematic way to categorize and understand the properties of elements. It allows scientists to predict the behavior of elements and their compounds, as well as discover new elements and their properties. The periodic table is constantly evolving as new elements are discovered and added to the table. It is a fundamental tool in chemistry and serves as a foundation for understanding the composition and behavior of matter.

In conclusion, the periodic table is a vital tool in chemistry that organizes elements based on their atomic number, electron configuration, and chemical properties. It is divided into metals, nonmetals, and metalloids, and organized into periods and groups. By studying the periodic table, scientists can gain insights into the behavior and properties of elements, enabling advancements in various fields of science and technology.

80.

Which side of the table are nonmetals generally located on?

a)

Left side

b)

Middle

c)

Right side

d)

Top

81.

What are the three categories that the periodic table is divided into?

4 lines
82.

The periodic table is constantly evolving as new elements are discovered and added to the (a)   .

83.

What does the periodic table organize elements based on?

a)

Atomic mass, electron configuration, and chemical properties

b)

Atomic number, electron configuration, and chemical properties

c)

Atomic number, electron configuration, and physical properties

d)

Atomic mass, electron configuration, and physical properties

84.

Which of the following properties are typically associated with metals?

a)

Brittle and poor conductors of heat and electricity

b)

Dull and non-malleable

c)

Shiny and good conductors of heat and electricity

d)

Transparent and insulators of heat and electricity

85.

In 3 or more sentences, explain the differences between person, cultural, and experimental bias.

Please check for proper capitalization and punctuation.

4 lines
86.

In 3 or more sentences, explain how science affects our world.

Please check for proper capitalization and punctuation.

4 lines
87.

In two more more sentences, explain the difference between physical change and chemical change.

Please check for capitalization and punctuation.

4 lines

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