2425 Science 1st UT revision

What is the steps in a scientific investigation?

• Making an observation

• Asking a question

• Proposing a hypothesis

• Carrying out an experiment

• Drawing a conclusion

Which type of variable is changed in a fair test?

• Dependent variable

• Independent variable

• Controlled variable

Matching the following variable with its definition

• keep the same

• Dependent variable

• to be measured

• Independent variable

• to be changed

• Controlled variable

Which of the following is NOT an example of a scientific investigation?

• Fair testing

• Pattern Seeking

• Estimating

• Classifying

What are the three components of the fire triangle?

• Water, Air, Heat

• Fuel, Oxygen, High temperature

• Fuel, Water, Light

• Oxygen, Light, Water

What is the function of apparatus?

• To clean test tubes

• Bunsen Burning

• To hold a test tube when heating

• Spatula

• To heat substances

• Test Tube Rack

• To transfer small amounts of solids

• Test Tube Cleaner

• To hold test tubes

• Test Tube Holder

Which apparatus is used to protect the bench from heat?

Which apparatus is used to support the apparatus when heating?

Which apparatus is used to transfer a few drops of liquids?

Which apparatus use to measure the volume of liquids?