Year 8 Science · Unit 2 · Lesson 1
Foundation Worksheet
Learning Goals
Fill the gap
Choose the correct word from the word bank to complete the passage below. Each word is used once. Two words in the bank will not be used.
All around us, in the water we drink, the air we breathe and the ground beneath our feet, is . Matter is defined as anything that has and takes up space, which scientists call . Matter is not continuous and solid all the way through; it is made of incredibly tiny too small to be seen with the naked eye. The smallest unit of an element that keeps the properties of that element is called an . When a substance contains only one type of atom, it is called an . When two or more different types of atoms are chemically bonded together in fixed proportions, the result is a . If two or more substances are simply mixed together without any chemical bonding, the result is a .
True or False? Fix the false ones
Circle T or F for each statement. If the statement is false, rewrite it correctly on the line below.
A mixture can be separated by physical means, such as filtering or evaporating.
Correct it:
All atoms in a compound are the same type, that is what makes it a pure substance.
Correct it:
Water is an element because it is a pure substance found in nature.
Correct it:
Atoms are the smallest unit of an element that still has the properties of that element.
Correct it:
A glass of salty water is a compound because it is made of more than one type of substance chemically bonded together.
Correct it:
1. Define the term matter and give two everyday examples of matter.
2. What is the difference between an element and a compound? Use the word atom in your answer.
Wrap Up
In one sentence, what was the main idea of this lesson?