ENERGY: ENERGY CONVERSIONS
THE ROLLER COASTER RIDE
Churros tried to build a roller coaster track but it didn't work. He then redesigned the roller coaster track using his knowledge on energy conversion. Find out if the track will work this time.
INTERACTIONS: FORCES
THE INVISIBLE FORCE
Ace and Bob are in space when Ace suddenly decides to find out his weight. As it's impossible to weigh himself while floating in space, Ace and Bob travelled to the moon and earth to do so. Find out how his weight will differ in both places.
INTERACTIONS: ECOSYSTEMS
THE MELTING ICE
Ace, Bob and Churros were excited to go to the Arctic to ice skate. When they walked to their usual skating spot, they realised that most of the ice had melted. Find out how global warming is affecting the Arctic sea ice.
INTERACTIONS: ADAPTATIONS
THE GLIDING FROG
Churros and Bob spotted a frog high up in a tall tree. Bob climbed up the tree in order to rescue the frog. Thinking that Bob was a predator, the frog tried to escape. Find out what adaptation the frog has in order to survive.
Other Revision Topics
CYCLES: WATER CYCLE
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.
SYSTEMS: ELECTRICITY
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.
SYSTEMS: RESPIRATORY & CIRCULATORY SYSTEMS
TRAVELLING THROUGH ACE
Churros and Bob 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.
SYSTEMS: PLANT SYSTEMS
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.
CYCLES: MATTER
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.
ENERGY: LIGHT
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.