Teeth and digestion
What type of teeth are used for biting food?
Incisors
What state of matter keeps its shape and volume?
Solid
What planet do we live on?
Earth
What group do frogs belong to?
Amphibians
What part of the body helps us hear sound?
Ears
What do molars help us do with food?
Grind and chew it
What state of matter takes the shape of its container but has a set volume?
Liquid
What do we call the movement of the Earth around the Sun?
Orbit
What do we call animals with a backbone?
Vertebrates
What does sound travel through to reach our ears?
Vibrations through air
What is the name of the tube that takes food from the mouth to the stomach?
Oesophagus
What happens to water when it is heated to 100°C?
It boils and becomes steam/water vapour (gas)
How long does it take the Earth to complete one orbit around the Sun?
One year (365 days)
Which group lays eggs, has feathers, and can usually fly?
Birds
What is it called when sound bounces off a surface?
Echo
What is the function of saliva in digestion?
It breaks down food and makes it easier to swallow
What are the tiny particles that make up solids, liquids, and gases called?
Molecules or particles
Why do we have day and night?
Because the Earth rotates on its axis
What type of animal is a shark?
Fish
Can sound travel through water and solids as well as air?
Yes
What is the role of the large intestine in digestion?
It absorbs water from the waste and forms faeces (poo)
What is the name of the process when a gas changes into a liquid, and give an example?
Condensation — for example, water vapour turning into droplets on a cold window.
Which phase of the Moon is completely dark?
New Moon
Name one way to identify an insect.
Has 6 legs and 3 body parts
What changes when the pitch of a sound gets higher?
The frequency of the vibrations increases. (faster vibrations)