Building {Blocks of} Matter

When 2 Hydrogen atoms and 1 Oxygen atom combines into one compound, it is now H₂O. This is a single ________ of water

• atom

• element

• drop

• molecule

Everything tangible (things that can be observed by our five senses) are made up of Matter. There are two types of Matter, they are:

• Metal and Non-metal

• Pure Substances and Mixtures

• Homogenous and Heterogenous

• Atoms and Molecules

What is the most likely reason that leaves can fall slowly down to the ground in Autumn, as opposed to falling straight right down.

• Falling leaves is a slow chemical change

• Leaves are not Matter

• Gravity does not apply to all matter in the same way

• There are molecules of gas in the air under the leaves

Which of the following is a physical property of Matter?

• Lustre

• pH

• Acidity

• Toxicity

Select all of the following that are Physical Properties of Matter

• Lustre

• pH

• Texture

• Mass (Weight)

• Size

What could be the reason why we have to separate recycling items based on Science?

• All Mixtures are not recyclable

• Mixtures need to be turned into Pure Substances (Compounds)

• Heterogenous Mixtures need to be turned into Homogenous Mixtures

• Homogenous Mixtures need to be turned into Heterogenous Mixtures

When water is mixed with bleach, the result is a

• Chemical reaction

• Solution

• Suspension

• Bleach doesn't mix or dissolve in water

Fog scatters light and hinders visibility, eventually it lifts. In relation to its classification as matter, fog is a(n):

• Suspension

• Colloid

• Element

• Natural phenomenon

Solids that are found in muddy lake water eventually settle to the bottom. Muddy waters are examples of:

• Homogenous Mixtures

• Colloids

• Suspensions

• Toxic Chemicals

Sugar is an example of a(n):

• Heterogenous Mixture

• Pure Substance

• Element

• Solution