1| BOB PLANTS A TREE
This video brings us through the flowering and fruiting season of an apple tree. Watch how Bob plays a part in the tree's reproduction!
2| DROPLETS ON THE CUP
Ace had just finished his training for the next space mission. Seeing that Ace was thirsty, Churros bought him a cup of cold water. They were both surprised to see water droplets forming at the outer surface of the cup.
Find out more about what happens when water gains or loses heat.
3| CHURROS LIGHTS UP A BULB
Ace wanted to light up a bulb in space. He asked Churros to help him to set up an electrical circuit.
Watch this video to find out how Churros constructed the circuit, and learn more about electricity.
4| CHURRO'S MICROSCOPE
Churros received a microscope for his birthday. There were 2 cell samples packed together with the microscope.
Watch how he finds out which type of cells they are, and learn more about about cells.
5| TRAVELLING THROUGH ACE
Churros and Ace found themselves shrunk when they accidentally pressed a wrong button in their space shuttle. They became so small that they travelled into Ace's body together with the oxygen molecules.
Find out how they managed to escape and learn more about our body systems.
4| THE BULGE ON THE STEM
Ace ordered a plant from an online nursery. It was growing well at first. However, after a few days, the plant began to wilt even though the plant gets enough water and sunlight. Find out what happened and learn more about the plant's transport and respiratory systems.
PREVIOUS YEAR'S TOPICS
LOWER BLOCK REVIEW: IT IS A BIRD!
Ace and Churros were exploring a savannah in Africa when they chanced upon some ostriches. Ace wondered if those ostriches are birds, even though they are not able to fly.
Find out how different groups of animals are classified based on their characteristics.
LOWER BLOCK REVIEW: THE MUSHROOM IN THE DARK
Ace, Bob and Churros landed their shuttle on a grassland. They then went on to explore the place. When they returned to their shuttle one week later, the grass under the shuttle had died. Guess what they found living under the shuttle?
Find out more about plants, fungi and bacteria.
LOWER BLOCK REVIEW: ACE'S FISHING ROD
Ace, Bob and Churros went on a fishing trip. Ace managed to catch a small fish with his wooden fishing rod. But the wooden fishing rod broke when Ace tried to catch a bigger fish. Ace then used a metal fishing rod instead. Will it work?
Find out what happens next and learn about the different properties of materials.
LOWER BLOCK REVIEW: CHURRO'S PET CATERPILLAR
While exploring the jungle, Ace and Churros spotted a big, fat caterpillar. Churros decided to keep it as a pet. One day, it seemed like the caterpillar had disappeared!
Find out what happened in the video and learn more about life cycles.
LOWER BLOCK REVIEW: THE DISAPPEARING CUBE
Ace, Bob and Churros are back on Earth after spending many years exploring Mars. Now, they are tasked to explore the Arctic and desert regions on Earth.
Join them in their exploration. Learn more about the similarities and differences between the 3 states of matter.
LOWER BLOCK REVIEW: THE SHEPHERD ACE
Ace was herding his sheep when he saw a dark and shiny rock. As he stepped onto the rock, the metal base of his shoe and his shepherd's staff got stuck to the rock.
Find out why this happened and learn more about magnets.
LOWER BLOCK REVIEW: DOES BOB HAVE A FEVER?
Bob cheekily pretended to be feeling sick.
When Ace used his hands to touch Bob's forehead, he felt that it was hot. Bob was shocked as he was only pretending. Did Bob really have a fever?
Find out more from this video and learn about heat.
LOWER BLOCK REVIEW: THE PERISCOPE
Bob had always wanted to be in a submarine. One morning, Ace and Churros arranged a submarine ride for Bob to explore the deep sea.
Find out what happens when Bob looked into a periscope and learn more about light.