Atomic Structure
This subatomic particle has a positive charge and is found in the nucleus.
What is a proton?
This body system breaks food down into nutrients.
What is the digestive system?
This type of material is made by combining two or more metals.
What is an alloy?
The broad, flat structure of a leaf helps the plant do this more efficiently.
Cutting something into small pieces is this kind of change.
What is Physical Change?
This particle has no electrical charge.
What is a neutron?
This body system provides support and protects organs.
What is the skeletal system?
This property makes aluminium useful for aeroplanes.
What is being lightweight/low density?
This process uses sunlight to make glucose.
What is Photosynthesis?
Burning Magnesium is this kind of change.
What is Chemical Change?
This is the centre of an atom where most of its mass is found.
What is a nucleus.
This organ removes waste products from the blood to produce urine.
What are the kidneys?
These materials are made from long chains of repeating molecules.
What are polymers?
Roots mainly absorb these two things from the soil.
What are water and minerals?
Melting and Boiling are examples of physical change. Why?
What is: no new substance is formed.
OR
What is: reversible.
An atom with more electrons than protons has this type of charge.
What is a negative charge?
This body system transports oxygen and nutrients around the body.
What is the circulatory system?
Adding other elements to a metal usually improves these.
What are its properties?
This gas is taken in during photosynthesis.
What is Carbon Dioxide?
This substance is formed when a chemical change creates a new substance.
What is a compound?
This particle has almost no mass and moves around the outside of the nucleus.
What is an electron?
Gas exchange occurs in these tiny air sacs inside the lungs.
What are alveoli?
This polymer is naturally occuring in trees.
What is rubber?
This green pigment absorbs light for photosynthesis.
What is Chlorophyll?
This process is when a solid turns into a gas without turning into a liquid.
What is sublimation?