On today's show: Teen mechanics build an electric car, a deadly scientist sends free books to kids, koalas get their own tartan, world leaders make a big mistake at an important event, and a very clever green thumb grows a fruit salad tree.

QUIZ QUESTIONS:

1. Where will the girls' car source its electricity?

2. What is the name of Corey Tutt's organisation?

3. What does the colour green represent on the koala tartan?

4. What country is Karine Elharrar from?

5. What is a peachcot?

BONUS TRICKY QUESTION:

What is the current world record for the most different types of fruit on one tree?

ANSWERS:

1. The sun (solar power)

2. Deadly Science

3. Gum leaves

4. Israel

5. A cross between an apricot and a peach

BONUS TRICKY ANSWER:

Five

On today's show: We celebrate Diwali, explore giant kelp forests, track a rare sawfish, protest against unfair rules, and discover a knight's sunken sword.

QUIZ QUESTIONS:

1. How long does Diwali go for?

2. What are the tiny cells called that grow on leaves and stems?

3. How long has it been since a sawfish was recorded on Quinkan Country?

4. How did Ella feel when she wore a hat or hoodie?

5. What was the name of the series of battles where the sword was probably used?

BONUS TRICKY QUESTION:

What are Diwali oil lamps called?

ANSWERS:

1. Five days

2. Spores

3. 29 years

4. Comfortable

5. The Crusades

BONUS TRICKY ANSWER:

Diyas

On today's show: First Nations students design a dream school, goats help fight bushfires, fossil finders discover a prehistoric sea creature, country kids build a blooming business, and a tiny dog survives a tornado.

QUIZ QUESTIONS:

1. What type of sanctuary featured in the prize-winning school design?

2. What do goats eat to stop bushfires?

3. What does titanokorys gainesi mean?

4. What type of flowers is Georgie selling?

5. What animals, other than Pom Pom, were swept into the sky?

TRICKY BONUS QUESTION:

What type of dog is Pom Pom?

ANSWERS:

1. Turtle

2. Weeds

3. Titanic helmet

4. Billy's Buttons

5. Cows

TRICKY BONUS ANSWER:

Pomeranian

Head out of this world with Ruby and astrophysicist Professor Lisa Harvey-Smith as they answer your intergalactic questions about space travel.

If there is a news story you would like us to explore in-depth on a special episode of News Time, you can email [email protected]

On today's show: Kids win a battle to recycle at school, bird-watching Aussies flock to their backyards, deaf dancers wow crowds, superstar scientists win awards, and archaeologists dig up an ancient toilet.

QUIZ QUESTIONS:

1. What powers the Kangaroo Inn Area School fish farm?

2. How many minutes do you spend counting for the Aussie Backyard Bird Count?

3. What does the Deaf Indigenous Dance Group do at the end of a show?

4. What name was shared by the kids who won a Eureka Prize?

5. How old is the ancient toilet dug up in Israel?

TRICKY BONUS QUESTION:

What Eureka Prize category did Doctor Nij win?

ANSWERS:1. Sun

2. 20

3. Put a spear in the ground

4. Scarlett

5. More than 2,700 years old

TRICKY BONUS ANSWER:

Promoting understanding of science

On today's show: A camel farmer invents a mobile dairy, the world's oldest rainforest is handed back to its original carers, kids use computers to help combat COVID-19, scientists discover dinosaurs wagged their tails, and we celebrate International Day of the Girl.

QUIZ QUESTIONS:

1. What toy did Max use to help design his dairy?

2. How old is the Daintree rainforest?

3. What is the name of the website created by Jack, Darcy and Wesley?

4. What type of dinosaur helped scientists discover that dinos wagged their tails?

5. What is the name of the National Gallery of Australia's exhibition celebrating girls and women?

BONUS TRICKY QUESTION:

What is the name of Abbie's magazine?

ANSWERS:

1. Lego

2. More than 180 million years

3. COVIDBaseAU

4. Coelophysis

5. Know My Name

BONUS TRICKY ANSWER

Her Way

On today's show: sizzling bacon sounds help coral reefs, a teenager drives a tractor across Australia, scientists find out why certain vegetables are on the nose, an elderly man gives his hometown a present, and Indigenous rangers open a saltwater crocodile farm.

QUIZ QUESTIONS:

1. What type of starfish is damaging reefs?

2. What is Sam Hughes' nickname?

3. What vegetable species are cauliflower and brussels sprouts?

4. How old is Manuel Souto?

5. What do crocodile egg collectors carry for protection?

BONUS TRICKY QUESTION:

How many crocodiles can fit in the new farm?

ANSWERS:

1. Crown-of-thorns

2. The Travelling Jackaroo

3. Brassicas

4. 82

5. Wooden paddles

BONUS TRICKY ANSWER:

1,400

On today's show: An earthquake shakes eastern Australia, a five-year-old hikes across America, Space Cows track buffalo herds, a meat-eating flower is rediscovered, and Kiwi kids unearth a giant bird fossil.

QUIZ QUESTIONS:

1. What are the plates called that bump together and cause earthquakes?

2. What is the name of the hiking trail that Harvey followed?

3. What are buffalo and cattle damaging in the Top End?

4.What colour is the re-discovered sun dew?

5. What does waewaeroa mean?

BONUS TRICKY QUESTION:

Where in New Zealand was the giant penguin fossil found?

ANSWERS:

1. Tectonic plates

2. Appalachian Trail

3. Rock art, sacred sites, waterways

4. Pink

5. Long legs

BONUS TRICKY ANSWER:

The west coast of New Zealand’s North Island

On today's show: A boat-sinking walrus, International Day of Sign Languages, golden slam winners, a new aunty, and bringing woolly mammoths back to life.

QUIZ QUESTIONS:

1. How much does Wally weigh?

2. What is Australia's national sign language called?

3. Where is Diede de Groot from?

4. What state is Nukunu Country in?

5. How long before scientists hope to have elephant-mammoth calves running around?

BONUS TRICKY QUESTION:

Where did Diede de Groot and Dylan Alcott secure their Golden Slams?

ANSWERS:

1. 2,000 kilograms

2. Auslan

3. The Netherlands

4. South Australia

5. Six years

BONUS TRICKY ANSWER:

US Open in New York

On today's show: School of the Air singers go viral, teddy bear bees swarm in the thousands, an asteroid gets a new name, a footballing family kicks goals, and fossil hunters find a walking whale.

QUIZ QUESTIONS:

1. What is the name of the School of the Air song?

2. Where do Dawsons burrowing bees nest?

3. What does '10040' mean in '10040 Ghillar'?

4. How many times has Jarrod represented Australia in football?

5. In which country was the walking whale fossil discovered?

BONUS TRICKY QUESTION:

Who is the country music singer that helped write the School of the Air song?

ANSWERS:

1. Biggest Classroom in the World

2. Underground in West Australian clay pans

3. It's the 10,040th asteroid to be officially named

4. 17

5. Egypt

BONUS TRICKY ANSWER:

Josh Arnold