Year 8 Science Skills Quiz

What is the first step in planning a scientific investigation?

• Collecting data

• Making a prediction

• Identifying a question or problem

• Writing a conclusion

What is an example of qualitative data?

• The mass of a rock in grams

• The height of a plant in centimetres

• The colour of a flower

• The time it takes for ice to melt

Why is it important to control variables in an experiment?

• To make the experiment more difficult

• To ensure that only one factor affects the results

• To get as many different results as possible

• To make the experiment faster

Which of the following is NOT an example of first-hand data collection?

• Conducting an experiment in a lab

• Measuring the temperature outside

• Researching information in a textbook

• Recording observations of an insect’s behavior

What is the purpose of a fair test in a scientific investigation?

• To test as many variables as possible

• To ensure the experiment is conducted quickly

• To make sure only one variable is changed while others are controlled

• To prove a hypothesis is correct

In graphing scientific data, what does the term "SULTAN" help students remember?

• The importance of a title, axis labels, and scale

• The different types of scientific variables

• The steps of the scientific method

• The safety rules in a laboratory

Which type of graph would best display changes in temperature over time?

• Column graph

• Pie chart

• Line graph

• Bar graph

What is the main difference between a hypothesis and a prediction?

• A) A hypothesis is a question, while a prediction is a guess

• B) A hypothesis is based on scientific knowledge, while a prediction is a guess about what will happen

• C) A hypothesis and a prediction are the same

• D) A prediction must always be correct

When collecting quantitative data, which of the following units would be most appropriate for measuring mass?

• Liters

• Kilograms

• Meters

• Degrees Celsius

What should be included in a good scientific conclusion?

• A) A summary of results and whether the hypothesis was supported

• B) Only the final answer without explanation

• C) A detailed description of how the experiment was conducted

• D) The opinions of the scientist