Year 8 Science · Unit 4 · Lesson 15

Unit 4 Synthesis — Working Scientifically

Foundation Worksheet

Name
Date
Class

Learning Goals

Warm Up

Fill the gap

Choose the correct word from the word bank to complete each sentence. Two words in the bank are distractors — they are not used.

data independent reliability outlier correlation CER bias abstract hypothesis gradient

1. Qualitative and quantitative are both important types of scientific information.

2. The variable that a scientist deliberately changes is called the variable.

3. A systematic distortion in data collection that pushes results in a particular direction is called .

4. A data point that falls far outside the general pattern is called an .

5. A relationship between two variables where one tends to increase as the other increases is called a positive .

6. A scientific argument structure that includes a Claim, Evidence and Reasoning is called the framework.

7. Conducting more trials in an investigation improves its .

8. The section of a scientific report that briefly summarises the aim, method, results and conclusion is called the .

Your Turn

Sort it!

Write each concept from the pool into the correct theme box. Each box should contain exactly four concepts.

qualitative data independent variable line graph random error scientific report quantitative data controlled variable bar graph systematic error CER framework positive correlation outlier dependent variable trend validity abstract

Data Types & Variables

Graphs & Trends

Data Quality & Errors

Scientific Communication

Show What You Know

1. Explain the difference between reliability and validity. Use one example of each.

Recall 2 marks

2. Name two features that every good scientific graph must include.

Recall 2 marks

Wrap Up

In one sentence, how do all four unit themes — data, graphs, quality, and communication — connect in a single scientific investigation?

HSCScience · Year 8 Science · Unit 4 · Lesson 15 · Foundation Worksheet