grade 6 2.1

one of many tissues in the body that can tighten and relax to produce movement

a device sent up into space to travel around the earth, used for collecting information or communicating by radio, television, etc.

a chemical element that is a common greyish-coloured metal. It is strong, used in making steel

a strong, elastic type of tissue found in humans in the joints and other places such as the nose, throat, and ears

an arrangement of the symbols of chemical elements in rows and columns, showing similarities in chemical behaviour, especially between elements in the same columns

the system that moves blood through the body

the process by which water vapor in the atmosphere (= air surrounding the earth) cools and changes into liquid water

A _________ metal can be bent or stretched easily

A ___________ substance is easily changed into a new shape

a substance that has been dissolved in another substance

the force that makes it difficult for one object to slide along the surface of another

one of the thick tubes that carry blood from the heart to other parts of the body

substances that are made up of only one kind of particles and has a fixed or constant structure.

the curved path through which objects in space move around a planet or star

a simple substance that cannot be reduced to smaller chemical parts

a quality in a substance or material, especially one that means that it can be used in a particular way

the process of a liquid changing to a gas, especially by heating

a number, amount, or situation that can change

a chemical element that is not a metal

a tube that carries blood to the heart from the other parts of the body

a chemical element, such as iron or gold, or a mixture of such elements, such as steel, that is generally hard and strong, and through which electricity and heat can travel

_________ metals are the metal which makes metallic sound when hit by any object.