What is the hard structure or framework that supports our body called?
Skeleton
What bone protects your heart and lungs?
Ribcage
What is the long bone in your leg called?
Thigh bone
What happens to a muscle when it becomes shorter?
Contract
What happens to a muscle when it becomes longer?
Relax
Muscles work in ________.
When your biceps contract, your arm moves ________.
up
Animals that eat only plants are called ________.
Herbivores
What is a plant in a food chain called?
Producer
How many bones does an adult human have?
206
What do we call animals that eat both plants and animals?
Omnivores
A toaster uses electrical energy and produces ________ energy
heat
What is a carnivore?
Animal that eats meat
A boy kicks a ball.
What energy is transferred?
Movement energy
When you rub your hands together, what energy change happens?
Movement/ Kinetic → Heat
A torchlight becomes warm after being used for a long time.
What extra energy form is produced besides light?
Heat
A student heats water on an electric stove.
What two energy forms are involved?
(Electrical → Heat)
What energy change happens in a light bulb?
Electrical → Light + heat
What do arrows in a food chain show?
Energy flow/ energy transfer
What form of energy comes from food?
Chemical energy
What medicine is used to kill bacteria?
What gives muscles power to work?
Energy from food / Energy
A solar panel powers a fan.
Describe the energy transfer from Sun to fan.
(Light → Electrical → Kinetic/Movement)
Which muscle never stops working?
Heart
When a heated metal spoon is placed on the table, it cools down. Why?
Energy goes to the surroundings./ air