Vocabulary words for Years 4, 5 and 6

Learning new words is easier when each one comes with a simple meaning and a sentence you can picture. These lists cover the vocabulary in Koala Study Mate for Australian primary students. Read them together, then test yourself with the quiz in the app.

Practise in the app

Year 4 vocabulary (70 words)

ancient Very old, from a long time ago.“The museum has an ancient Egyptian statue.”
enormous Extremely large in size.“A blue whale is an enormous animal.”
fragile Easily broken or damaged.“Please carry the fragile glass carefully.”
curious Eager to know or learn something.“The curious student asked lots of questions.”
delicate Easily damaged; fine and light.“Butterfly wings are very delicate.”
vanish To disappear suddenly.“The magician made the coin vanish.”
glimpse A very brief or quick look.“We caught a glimpse of the koala in the tree.”
explore To travel and look around a new place to learn about it.“We will explore the rainforest on our excursion.”
habitat The natural home of an animal or plant.“The wetland is a habitat for many birds.”
migrate To move from one place to another, often with the seasons.“Humpback whales migrate along the coast each year.”
nocturnal Active at night rather than during the day.“The possum is a nocturnal animal.”
predator An animal that hunts other animals for food.“A dingo is a predator in the outback.”
survive To stay alive, especially in a difficult situation.“Camels can survive without water for a long time.”
drought A long period of very little or no rain.“The farmers hoped the drought would end soon.”
erosion The wearing away of land by wind, water or ice.“Erosion has shaped the cliffs along the coast.”
temperature How hot or cold something is.“The temperature dropped at night in the desert.”
container Something used to hold or store things.“She packed her lunch in a plastic container.”
vehicle A machine used to carry people or goods, such as a car or truck.“A bicycle is a simple kind of vehicle.”
structure The way something is built or put together.“The bridge has a strong steel structure.”
material The substance that something is made from.“Wool is a warm material used to make jumpers.”
device A tool or machine made for a special purpose.“A thermometer is a device that measures temperature.”
invention Something that has been designed and made for the first time.“The telephone was an amazing invention.”
energy The power needed to do work or make things happen.“Solar panels turn sunlight into energy.”
resource Something that is useful or valuable, like water or timber.“Fresh water is an important resource.”
environment The natural world around us, including land, air and water.“We should look after our environment.”
pollution Harmful or dirty substances that damage air, water or land.“Plastic in the ocean causes pollution.”
recycle To use waste material again instead of throwing it away.“We recycle paper, glass and plastic at school.”
community A group of people living in the same area.“Our community held a fete to raise money.”
culture The customs, beliefs and way of life of a group of people.“Aboriginal culture is the oldest living culture in the world.”
tradition A custom or belief passed down from one generation to the next.“Sharing a meal together is a family tradition.”
celebration A special event to mark a happy occasion.“The party was a celebration of her birthday.”
ceremony A formal event held for a special reason.“We attended the ANZAC Day ceremony.”
continent One of the seven large land areas of the Earth.“Australia is the smallest continent.”
territory An area of land, especially one controlled by a government.“The Northern Territory is in the centre of Australia.”
landmark A famous or easily recognised place or building.“The Sydney Opera House is a famous landmark.”
expedition A journey made for a particular purpose, such as exploring.“The scientists went on an expedition to Antarctica.”
navigate To find your way from one place to another.“Sailors used the stars to navigate the ocean.”
compass A tool that shows direction, always pointing north.“We used a compass to find our way through the bush.”
boundary A line that marks the edge or limit of an area.“The fence marks the boundary of the farm.”
region An area of a country or the world with its own features.“The Kimberley is a remote region of Western Australia.”
opinion A belief or view about something that is not a fact.“In my opinion, the book was better than the film.”
evidence Facts or information that show something is true.“The detective looked for evidence at the scene.”
conclude To decide something after thinking about the facts.“We can conclude that the plant needs sunlight to grow.”
predict To say what you think will happen in the future.“Can you predict what will happen next in the story?”
compare To look at two or more things to find what is similar or different.“Let's compare the size of these two leaves.”
contrast To show how two things are different.“The bright colours contrast with the dark background.”
summarise To give the main points of something in a few words.“Please summarise the story in three sentences.”
identify To recognise and correctly name something.“Can you identify the bird in this picture?”
investigate To carefully look into something to find out more.“The scientists will investigate the strange rock.”
observe To watch something carefully.“We observed the ants building their nest.”
diagram A drawing that explains or shows how something works.“The diagram shows the parts of a plant.”
sequence The order in which things happen.“Put the events of the story in the correct sequence.”
narrator The person who tells the story.“The narrator described the forest in great detail.”
character A person or animal in a story.“The main character in the book is a brave girl.”
setting The time and place where a story happens.“The setting of the story is a small country town.”
dialogue Conversation written between characters in a story.“The dialogue between the two friends was funny.”
paragraph A group of sentences about one main idea.“Each paragraph in your report should have a topic sentence.”
punctuation Marks like full stops and commas used in writing.“Remember to use correct punctuation in your sentences.”
vocabulary The words a person knows and uses.“Reading helps you build a bigger vocabulary.”
definition An explanation of what a word means.“Look up the definition of the word in the dictionary.”
generous Willing to give and share freely.“It was generous of her to share her lunch.”
honest Truthful and not likely to lie, cheat or steal.“It's important to be honest with your friends.”
responsible Able to be trusted to do the right thing.“A responsible pet owner feeds their dog every day.”
confident Feeling sure about your own abilities.“She felt confident before her speech.”
anxious Feeling worried or nervous about something.“He was anxious about his first day at a new school.”
furious Extremely angry.“Dad was furious when the vase broke.”
exhausted Extremely tired.“After the long hike, we were exhausted.”
astonished Very surprised.“We were astonished by the size of the whale.”
reluctant Not willing to do something.“The reluctant puppy did not want to go outside in the rain.”
cautious Careful to avoid danger or mistakes.“Be cautious when crossing a busy road.”

Year 5 vocabulary (30 words)

adequate Enough for what is needed.“We packed adequate food and water for the hike.”
ambiguous Having more than one possible meaning; unclear.“His ambiguous answer left us unsure what he meant.”
anticipate To expect or look forward to something.“We anticipate a great turnout at the school fete.”
apparent Easy to see or understand; obvious.“It was apparent that she had practised for weeks.”
articulate Able to express ideas clearly in words.“The articulate speaker explained the plan perfectly.”
authentic Real and genuine, not a copy.“The museum displayed an authentic Aboriginal artwork.”
benevolent Kind and generous.“The benevolent donor gave money to the school library.”
coincide To happen at the same time as something else.“Our holiday will coincide with the school break.”
collaborate To work together with others on something.“The two classes will collaborate on the mural.”
commence To begin or start.“The swimming carnival will commence at nine o'clock.”
comprehend To understand something fully.“It took time to comprehend the difficult instructions.”
consequence A result that happens because of an action.“Littering has a bad consequence for the environment.”
considerable Fairly large in amount or size.“The flood caused considerable damage to the town.”
contradict To say the opposite of what someone else has said.“The two witnesses seemed to contradict each other.”
controversy Strong disagreement about something.“The new uniform rule caused a lot of controversy.”
convey To communicate or express an idea or feeling.“Her painting managed to convey a feeling of hope.”
deduce To work something out using clues and reasoning.“From the footprints, we could deduce which animal passed by.”
deteriorate To become worse over time.“The old bridge began to deteriorate after the storm.”
diminish To become smaller or less.“Her fear began to diminish as the show went on.”
distinct Clearly different or separate.“The two birds have distinct calls.”
elaborate Having many carefully arranged parts; detailed.“The termite mound had an elaborate network of tunnels.”
eloquent Able to speak or write clearly and persuasively.“She gave an eloquent speech about looking after the reef.”
emphasise To give special importance to something.“The teacher wanted to emphasise the safety rules.”
endure To keep going through something difficult.“The explorers had to endure freezing conditions.”
enthusiastic Showing great excitement or interest.“The whole class was enthusiastic about the excursion.”
exaggerate To describe something as bigger or better than it really is.“He tends to exaggerate how big the fish was.”
feasible Possible to do easily or sensibly.“Is it feasible to finish the project by Friday?”
fluctuate To change often, going up and down.“Temperatures can fluctuate a lot in the outback.”
hypothesis An idea suggested as a possible explanation, to be tested.“Our hypothesis was that plants grow faster in sunlight.”
inevitable Certain to happen; unavoidable.“With no rain for months, the drought seemed inevitable.”

Year 6 vocabulary (30 words)

illustrate To make something clear by using examples.“The diagram helped illustrate how volcanoes erupt.”
immense Extremely large.“The Great Barrier Reef covers an immense area of ocean.”
inference A conclusion reached using evidence and reasoning.“From the dark clouds, we made the inference that it would rain.”
ingenious Clever, original and inventive.“The inventor came up with an ingenious solution.”
integrate To combine two or more things to form a whole.“The new student quickly began to integrate into the class.”
interpret To explain or work out the meaning of something.“It can be tricky to interpret an old, faded map.”
intricate Very detailed and complicated.“The spider wove an intricate web overnight.”
justify To give a good reason for something.“She had to justify her answer using evidence from the text.”
legitimate Allowed by law or according to the rules; genuine.“He raised a legitimate concern about the plan.”
magnificent Extremely beautiful or impressive.“The view from the mountain was magnificent.”
meticulous Very careful and precise about details.“The scientist kept meticulous notes of every experiment.”
notion An idea or belief about something.“I like the notion of planting a tree for every student.”
obstacle Something that blocks your way or makes progress difficult.“The fallen tree was an obstacle on the bush trail.”
perceive To notice or become aware of something.“Dogs perceive smells far better than humans do.”
persuade To convince someone to do or believe something.“Her essay tried to persuade readers to reduce plastic waste.”
plausible Seeming reasonable or probable.“It's a plausible explanation, but we should check the facts.”
precise Exact and accurate.“Please give a precise measurement of the shelf.”
priority Something that is treated as more important than other things.“Finishing homework is a priority before playing games.”
prominent Important and well known; easily noticeable.“The town hall clock tower is a prominent landmark.”
rigorous Thorough, careful and demanding.“The athletes followed a rigorous training schedule.”
skeptical Having doubts about whether something is true.“She was skeptical about the surprising claim.”
speculate To guess or form an opinion without firm evidence.“Scientists speculate about what caused the dinosaurs' extinction.”
substantial Large in size, value or importance.“They raised a substantial amount of money for charity.”
sufficient Enough for a particular purpose.“We didn't have sufficient time to finish the test.”
superficial Only on the surface; not deep or thorough.“His research was superficial and missed key details.”
tedious Long, slow and boring.“Copying out the whole chapter was a tedious task.”
unanimous When everyone agrees on something.“The class vote for the excursion was unanimous.”
underestimate To guess that something is smaller or less important than it is.“Never underestimate how hard the final race will be.”
versatile Able to be used for many different purposes.“A versatile tool like this can be used in many projects.”
vivid Producing very clear and powerful images in the mind.“The author gave a vivid description of the storm.”

Practise these in the app

More free lists: Spelling words · Homophones · Synonyms and antonyms · Times tables chart