How to learn Grade 3: Science

Florida academic standards: Science, Grade 3

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1. Interdependence

What Plants Need to Grow: Understand that plants need water, light, and a suitable temperature to grow and stay healthy
What Plants Need to Thrive: Explore and compare the requirements of plants for life and growth: air, light, water, nutrients from soil, and room to grow
Dressing for the Weather: Choose appropriate clothing and equipment for different weather conditions — coat and umbrella for rain, sun hat and sunscreen for hot sun, warm layers for cold — understanding that weather affects what we do and how we prepare each day

How animals adapt to environments: Identify how animals and plants are adapted to suit their environment and understand that adaptation may lead to evolution over time
Grouping Living Things: Recognise that living things can be grouped in a variety of ways based on observable features

Parts of a Plant: Identify and describe the basic structure of common flowering plants (roots, stem, leaves, flowers) and trees (roots, trunk, branches, leaves)
How Plant Parts Work: Identify and describe the functions of different parts of flowering plants: roots absorb water and nutrients, stems transport materials, leaves make food, flowers enable reproduction

Naming types of energy: Name and use vocabulary for types of energy and energy transfer — kinetic energy, potential energy, heat energy, light energy, sound energy, electrical energy, chemical energy, stored energy, energy transfer, energy transformation — and describe energy changes in familiar situations using these terms
Light & Seeing in the Dark: Observe that objects in darkness can be seen only when illuminated by a light source
Heating & Cooling Changes: Observe and describe that some materials change state when heated or cooled, and measure the temperature at which changes occur in degrees Celsius
How energy travels around: Observe and provide evidence that energy can be transferred from place to place by sound, light, heat, and electric currents
What happens when things collide: Ask questions and predict outcomes about the changes in energy that occur when objects collide
Reflecting Light: Notice that light is reflected from surfaces, and that shiny smooth surfaces reflect light best

Speed and energy: Use evidence to construct an explanation relating the speed of an object to the energy of that object

Ice & States of Matter: Understand ice in different forms and states of matter — sea ice forms when ocean water freezes (it's salty and relatively thin), glacial ice forms from compacted snow over centuries (fresh water, very thick), and icebergs break off from glaciers and float in the sea; know that water exists as solid (ice), liquid (water), and gas (water vapour), and that salt lowers the freezing point of water

Properties of materials: Compare and group different kinds of rocks based on their appearance and simple physical properties such as hardness, texture, and colour
Pitch of Sounds: Find patterns between the pitch of a sound and features of the object that produced it
Temperature & Thermometers: Understand temperature as how hot or cold something is, that a thermometer measures temperature, and use words like hot, warm, cool, and cold to describe how the air feels on different days
Conservation of Mass: Measure and provide evidence that the total weight of matter is conserved regardless of the type of change (heating, cooling, or mixing)

Earth's Layers: Know that Earth has layers — a thin outer crust, a thick hot mantle, and a core at the centre — and that the inside of the Earth is extremely hot
Sunlight warms things up: Make observations to determine the effect of sunlight on Earth's surface, noticing that sunlight warms the ground, water, and objects

Preventing Erosion: Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land
Sun, Moon & Stars: Identify the Sun, Moon, and stars as objects in the sky and describe basic differences: the Sun gives light and heat during the day, stars are tiny points of light at night, and the Moon can appear in both the day and night sky
The Sun is a star: Know that the Sun is a star — the closest star to Earth — and that it is at the centre of our solar system, with all eight planets orbiting around it
Seasonal Constellations: Recognise named constellations visible in different seasons and understand why we see different constellations at different times of year — because Earth’s orbit around the Sun changes which part of the sky we face at night
How Telescopes Work: Know that telescopes are instruments that help us see distant objects in space, and that space telescopes like Hubble and James Webb orbit above Earth’s atmosphere to get clearer views of the universe
Star Brightness & Distance: Support an argument that the apparent brightness of the sun and stars is due to their relative distances from Earth, understanding the sun is a relatively close star
Gravity & Falling Objects: Explain that unsupported objects fall towards the Earth because of the force of gravity acting between the Earth and the falling object

Modelling with Sketches: Develop a simple sketch, drawing, or physical model to illustrate how the shape of an object helps it function as needed to solve a given problem
Using evidence to answer questions: Identify differences, similarities, or changes related to scientific ideas and use straightforward scientific evidence to answer questions or support findings
Wave Behaviour Vocabulary: Use technical vocabulary for wave behaviour — refraction, absorption, reflection, scattering, amplitude, frequency, wavelength, echo, spectrum, angle of incidence, angle of reflection — and apply these when explaining how light and sound travel and interact with different materials

Asking scientific questions: Ask simple scientific questions and recognise that they can be answered in different ways including observation, testing, and research
Recording Data: Gather and record data using simple methods such as tables, tally charts, and drawings to help answer questions