Science Grade Expectations – Grades 3-4

Scientific Questioning

S3-4:1

Students demonstrate their understanding of SCIENTIFIC

QUESTIONING by…

· Identifying at least one variable that affects a system and using

that variable to generate an experimental question that

includes a cause and effect relationship.

Predicting and Hypothesizing

S3-4:2

Students demonstrate their understanding of PREDICTING

AND HYPOTHESIZING by…

· Identifying simple patterns of evidence used to develop a

prediction and propose an explanation.

Designing Experiments

S3-4:3

Students demonstrate their understanding of EXPERIMENTAL

DESIGN by…

· Writing a plan related to the question that includes:

a. A list of materials needed.

b. A diagram, with important elements labeled, that supports

procedures and illustrates the setup .

c. A procedure that lists steps sequentially (beginning, middle,

and end) and describes how the experimenter will manipulate

or change only one variable at a time. ("Fair Test").

d. Appropriate timing between observations (intervals) and/or

number of trials needed.

Conducting Experiments

S3-4:4

Students demonstrate their ability to CONDUCT EXPERIMENTS

by…

· Referring to and following a detailed plan for an investigation.

AND

· Clearly describing evidence and quantifying observations

with appropriate units.

AND

· Recording data at various points during an investigation by

reporting what actually happens, even when data conflicts

with expectations.

AND

· Recording the sequence in which events take place.

AND

· Recording relevant details of an object and its surroundings

when applicable.

AND

· Drawing scientifically:

a. Recording varying degrees of color, shading or texture

and consistent proportion throughout.

b. Labeling significant parts of a scientific drawing or diagram

and includes a key if necessary.

Representing Data and Analysis

S3-4:5

Students demonstrate their ability to REPRESENT DATA

by…

· Classifying objects and phenomena into sets and subsets

and justifying groupings.

AND

· Displaying and labeling data for separate trials/observations.

AND

· Determining an appropriate representation (graph or table or

chart or diagram) to represent their findings most accurately.

AND

· Including in tables a title, labeled rows and columns and any

necessary keys.

AND

· Including in graphs a title, labels, scale, and recording data

correctly.

Representing Data and Analysis

S3-4:6

Students demonstrate their ability to ANALYZE DATA by…

· Interpreting patterns or trends in data.

AND

· Relating data to the original question and prediction.

S3-4:7

Students demonstrate their ability to EXPLAIN DATA

by…

· Providing a reasonable explanation that accurately reflects

data.

AND

· Identifying differences between proposed predictions and experimental

data.

Applying Results

S3-4:8

Students demonstrate their ability to APPLY RESULTS by…

· Generating a new question to obtain additional information.

AND

· Creating a plan to investigate a scientific concept further or

connecting a classroom model to a real-world example.

AND

· Connecting the investigation or model to a real world example.

Properties of Matter

S3-4:9

Students demonstrate their understanding of the Properties

of Matter by…

· Investigating and measuring how the total weight of the

parts of a substance, no matter how they are combined,

remains the same (e.g., water and gravel mixture, or a

Legoâ car system, or the weight of sugar plus the weight

of water equals the total weight of the sugar solution).

Science Concepts:

a. All matter has weight that can be measured.

b. The weight of the whole is the same as the sum of the

parts.

c. Most objects/substances are made of smaller parts.

S3-4:10

Not assessed at this grade level

S3-4:11

Not assessed at this grade level

Properties of Matter

S3-4:12

Students demonstrate their understanding of the States of

Matter by…

· Identifying , describing and comparing the properties of

selected solids, liquids and gases.

Science Concepts:

a. Solids, liquids and gases are states of matter that can be

observed, described, and measured.

b. Gases take up as much space as you give them.

S3-4:13

Students demonstrate their understanding of the Properties

of a Gas by…

· Experimenting with gas in a closed container (such as a

balloon or a bag) and describing how pressure on the container

changes when the volume of the gas changes.

Science Concepts:

a. Gas is a state of matter that takes up space.

Properties of Matter

S3-4:14

Students demonstrate their understanding of Physical Change by…

Science Concepts:

a. Adding heat can change a substance from a solid, to a liquid, to a gas.

Chemical Change

No S3-4:15 at this grade level

No S3-4:16 at this grade level

Nuclear Change

No S3-4:17 at this level

No S3-4:18 at this level

Motion

No S3-4:19 at this grade level

Teachers may review Grades 1-2 Motion Concepts.

No S3-4:20 at this grade level

Force

S3-4:21

Students demonstrate their understanding of Force by…

· Investigating and describing how different amounts of force

can change the direction and speed of an object in motion.

Science Concepts:

a. Changes in speed or direction of motion are caused by

forces.

b. The greater the force, the greater the change of motion.

No S3-4:22 at this grade level

Teachers may review Grade 1-2 Force Concepts

Energy

No S3-4:23 at this grade level

Teachers may review Grades 1-2 Heat Energy Concepts.

S3-4:24

Students demonstrate their understanding of Electrical Energy

by…

· Building complete. circuits , drawing diagrams of these electric

circuits and explaining why electricity flows or does not

flow through the circuit.

AND

· Using experimental data to classify different materials as

conductors and insulators.

· Science Concepts:

a. A complete loop is needed through which an electric

charge can flow.

b. Batteries are a source of electrical energy.

c. Electric circuits can produce light, run motors and create

sounds.

d. Certain materials are conductors of electricity. Non conductors

of electricity are called insulators.

S3-4:25

Students demonstrate their understanding of Magnetism by…

· Describing what happens when like and opposite poles of the

magnet are placed near each other.

· Science Concepts:

a. Magnets have opposite charged poles.

b. When the same poles of a magnet are placed near each

other the magnets are repelled.

Energy

No S3-4:26 at this level

No S3-4:27 at this level

Energy

S3-4:28

Students demonstrate their understanding of Light Energy

by…

· Investigating with flash lights and other light sources and

describing how light rays reflect off of objects.

AND

· Explaining what occurs when light rays are blocked (e.g.,

shadows).

Science Concepts:

a. Light maintains direction of motion until it interacts

with another object.

b. Light can be reflected or absorbed.

No S3-4:29 at this grade level

Teachers May Review Grade 1-2 Sound Energy Concepts.

Survival of Organisms and Cells

S3-4:30

Students demonstrate their understanding of Structure and

Function–Survival Requirements by…

· Identifying how the physical structure/characteristic of an

organism allows it to survive and defend itself (e.g., The

coloring of a fiddler crab allows it to camouflage itself in

the sand and grasses of its environment so that it will be

protected from predators. A rose is protected by its

thorns.).

Science Concept:

a. Organisms have characteristics that help them find what

they need to survive in their environment and provide for

their survival:

- Defense

- Obtaining food

- Reproduction

- Eliminate waste

Life Cycles and Reproduction

S3-4:31

Students demonstrate their understanding of Reproduction

by…

· Investigating and describing a variety of plant and animal life

cycles.

Science Concept:

a. A characteristic of an organism is that it has a life cycle that

involves being born, developing into adulthood, reproducing

and dying. Details of a life cycle are different for different

organisms.

Cell and Tissue Differentiation

No S3-4:32 at this grade level

Chemical Reactions within Cells

No S3-4:33 at this grade level

Interdependence within Ecosystems

S3-4:34

Students demonstrate their understanding of Energy Flow in

an Ecosystem by

· Identifying the source of energy for the survival of organisms.

Science Concept:

a. Energy derived from food is needed for all organisms

(plants and animals) to stay alive and grow.

S3-4:35

Students demonstrate their understanding of Food Webs in an

Ecosystem by…

· Recognizing that, in a simple food chain, all animals’ food

begins with plants.

AND

· Researching and designing a habitat and explaining how it

meets the needs of the organisms that live there.

Science Concept:

a. Food for animals can be traced back to plants.

b. Organisms can survive best only in habitats in which their

needs are met.

Interdependence within Ecosystems

S3-4:36

Students demonstrate their understanding of Equilibrium

in an ecosystem by…

· Explaining how one organism depends upon another organism

to survive.

Science Concept:

a. Organisms interact with one another in various ways

besides providing food (e.g., Many plants depend on animals

for carrying their pollen to other plants for fertilizing

their flowers).

No S3-4:37 at this grade level

Vermont Department of Education (Science Grade Expectations)

Classification of Living Things

S3-4:38

Students demonstrate their understanding of Classification

of Organisms by

· Describing and sorting plants and animals into groups

based on structural similarities and differences (e.g., All

pine, spruce and evergreen trees have similar leaf structures;

Spiders have eight legs, and insects have six).

Science Concept:

a. The great variety of living things can be sorted into

groups in many ways using various characteristics to decide

which things belong to which group.

Natural Selection/Evolution

S3-4:39

Students demonstrate their understanding of Evolution/

Natural Selection by…

· Identifying differences in characteristics of a certain type

of organism (e.g., dogs with long hair or short hair; humans

with blue or brown eyes).

Science Concept:

a. Organisms of the same kind differ in their individual

characteristics (traits) (e.g., Even though all dogs are of

the same species, they can have very different traits.).

Heredity

S3-4:40

Students demonstrate their understanding of Human Heredity

by…

Identifying similarities that are inherited from a biological

parent.

Science Concepts:

a. Some similarities between children and parents such as

eye color, are inherited.

Body Systems

S3-4:41

Students demonstrate their understanding of Human Body

Systems by…

· Showing connections between external and internal body

structures and how they help humans survive,

Science Concepts:

a. There are external and internal structures that provide

for the survival needs of human organisms.

- Skin protects the body from harmful substances and

other organisms and from drying out.

- The skeletal system provides shape and protection for the

body’s organs.

- The brain gets/gives signals from/to all parts of the body

"telling" the body what to do.

- From food, people obtain nutrients and other materials

for body repair and growth. The un-digestible parts of

food are eliminated. Key structures are mouth, esophagus,

stomach, intestine and anus.

- By breathing, people take in the oxygen that they need to

live. Key structure is the lung.

Human Disease

S3-4:42

Students demonstrate their understanding of the Patterns

of Human Health/Disease by…

· Explaining that tears, saliva, and skin, can protect the body

from harmful germs.

Science Concepts:

a. If germs are able to get inside a person’s body, they may

keep it from working properly. Tears, saliva, and skin

protect our bodies from germs.

Patterns of Human Development

No S3-4:43 at this level

Teacher may review Grade 1-2 Patterns of Human Development

Concepts.

Solar System

S3-4:44

Students demonstrate their understanding Characteristics

of the Solar System by…

· Creating a model of the planets and their correct order

from the sun.

AND

· Drawing or building and then explaining a model of the

earth rotating on its axis in relation to the sun and moon

(i.e., day and night).

Science Concepts:

a. The earth is one of several planets that orbit the sun, and

the moon orbits the earth.

b. Like all planets and stars, the earth is approximately

spherical in shape. The rotation of the earth on its axis

every 24 hours produces the night and day cycle.

Scale, distances, star formation, theories, instrumentation

S3-4:45

Students demonstrate their understanding of Processes and

Change over Time within Systems of the Universe by…

· Identifying similar star patterns/or groups from night photographs

of the same location at different times of the years.

AND

· Comparing (similarities) between the sun and stars.

Science Concepts:

a. Stars are like the sun, but so far away that they look like

points of light. Some are smaller; some are larger than the

sun.

b. The patterns of the stars stay the same, although they

appear to move across the sky.

Earth Materials and the Rock Cycle

S3-4:46

Students demonstrate their understanding of Processes and

Change over Time within Earth Systems by…

Observing and identifying components of soils and rocks.

AND

Recognizing and identifying the four basic materials of the

earth (i.e., rocks, soil water and gases).

AND

Observing and describing the properties of rocks.

Science Concepts:

a. Soil is made partly from rock, partly from plant remains

and also contains many living organisms.

b. Earth materials are solid rocks, soils, water and the

gases of the atmosphere.

c. Rock is composed of different combinations of minerals.

Large rocks can be broken down into small rocks.

d. Rocks have properties of color, texture and hardness.

Rocks can be classified by their physical properties.

Forces and Changes on the Earth’s Surface

S3-4:47

Students demonstrate their understanding of Processes and

Change over Time within Earth Systems by…

· Building models that simulate deposits of sediments (e.g.,

a stream table.

AND

· Investigating local land forms and comparing them with

models created in the classroom.

Science Concept:

a. Waves, wind, water and ice shape and reshape the

earth’s land surface by eroding rock and soil in some areas

and depositing them in other areas.

Atmosphere, Water Cycle, Weather, Seasons

S3-4:48

Students demonstrate their understanding of Processes and

Change over Time within Earth Systems by…

· Observing, recording and analyzing local weather data and

making predictions based on that data.

AND

· Describing water as it changes into vapor in the air and

reappears as a liquid when it is cooled.

AND

· Explaining how this cycle of water relates to weather and

the formation of clouds.

Science Concepts:

a. Weather changes from day to day and over the seasons.

Weather can be described by measurable quantities (such

as temperature, wind direction and speed, precipitation and

air pressure.

b. Air is a substance that surrounds us, takes up space and

whose movement we feel as wind.

c. Liquid water is changed by heat from the sun to gas

(vapor) and returns to a liquid or solid state when cooled

to the freezing point.

d. Clouds and fog are made of small drops of water.

Natural Resources

S3-4:49

Students demonstrate their understanding of Processes and

Change within Natural Resources by…

· Observing and describing properties of living and nonliving

resources.

AND

· Explaining how the properties of living and non-living

resources make them suitable for use by humans.

Science Concepts:

a. The varied earth materials have different physical and

chemical properties, which make them useful in different

ways, for example, as building materials, as sources of

fuel, for growing the plants we use as food, or supporting

animal life. Earth materials provide many of the resources

that humans use.

b. Earth materials have chemical and physical properties

that make them useful as building materials, or for growing

plants or for fuel.