5 Written questions
5 Matching questions
- chemical change
- Physical change - rocks are broken into smaller/different pieces, but they are still rocks; chemical change - substances dissolve in water and react with other substances in the soil, air, or water making new substances
- physical change
- heterogeneous mixture
- a What type of change is weathering and why?
- b change of one substance to another that has different properties than the original substance
- c How many elements are created in man-made laboratories?
- d mixture in which different materials can be distinquished easily so it doesn't appear the same throughout
- e a change in size, shape, or state of matter by adding or removing energy. Which type of change keeps the identity the same? Which type of change is easy to undo, because the identity has NOT been changed?
5 Multiple choice questions
- Name two examples of heterogeneous mixtures.
- Name two examples of homogeneous mixtures.
- unable to be dissolved
- the amount of space an objects takes up
- What kind of matter have unique sets of properties that help to aid in their identification?
5 True/False questions
centrifuge → device that spins liquids at high speeds to separate it into parts based on densities
weathering → process in which rocks / Earth's surface are broken into smaller pieces that vary in size
physical property → a change in size, shape, or state of matter by adding or removing energy. Which type of change keeps the identity the same? Which type of change is easy to undo, because the identity has NOT been changed?
law of conservation of mass → Matter is neither created nor destroyed during a change, but is simply changed from one form to another form
electrolysis → chemical processes using electricity to break down a compound like water