Teeth
Which teeth are used for biting and cutting food?
Incisors
In which part of the body does digestion begin?
Mouth
What is needed to make a bulb light in a circuit?
A complete circuit
Which state of matter has a fixed shape?
Solid
What is the producer in most food chains?
A plant
Which teeth are sharp and pointed for tearing food?
Canines
Which organ churns food and mixes it with digestive juices?
Stomach
Which material is a better conductor of electricity: metal or rubber?
Metal
What is the process called when a liquid changes into a gas?
Evaporation
What do herbivores eat?
Plants
Which teeth are mainly used for grinding food?
Molars
What is the name of the tube that carries food from the mouth to the stomach?
Oesophagus
What is the purpose of a switch in a circuit?
To open or close the circuit
What happens to particles in a solid when it is heated?
They move faster
In the food chain grass → rabbit → fox, which animal is the prey?
Rabbit
Why is plaque harmful to teeth?
It can cause tooth decay and gum disease
Which part of the digestive system absorbs nutrients into the blood?
Small intestine
Why does a bulb not light if one wire is missing?
The circuit is incomplete
Why does gas spread out to fill a container?
Its particles move freely in all directions
Why are plants important in a food chain?
They make food for other living things
Why do humans have different types of teeth?
Different teeth have different jobs when eating
Why is chewing food important before swallowing?
It breaks food into smaller pieces to help digestion
Explain why plastic is often used around electric wires.
Plastic is an insulator and helps keep people safe
Explain the difference between melting and freezing.
Melting changes solid to liquid; freezing changes liquid to solid
What could happen to foxes if the rabbit population became very small?
The fox population could decrease because of less food