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What is the first step of the scientific method?
Question
Prediction
Which step involves identifying variables and planning the experiment?
Plan an Investigation
Present Evidence
During which step do you collect data and measurements?
Analyze Evidence
Present Evidence
What is the purpose of analyzing evidence?
To identify patterns and interpret results
To collect more data
How do scientists share their findings?
Communicate
Observe
What is the purpose of an ammeter?
To measure electric current
To measure voltage
What device is used to measure voltage in a circuit?
Ammeter
Voltmeter
Which equipment is used to control current flow in an experiment?
Voltmeter
Rheostat
What is the role of a resistor?
To measure current
To limit or regulate current in a circuit
Which apparatus produces light when connected to a circuit?
Voltmeter
Lamp or light bulb
What is an independent variable?
The variable you change during an experiment
The variable you measure
What is a dependent variable?
The variable you change
The variable you measure during an experiment
Why is it important to follow safety precautions during experiments?
To prevent accidents and ensure safety
To speed up the experiment
Give an example of a safety precaution.
Wearing sandals
Wearing safety goggles
What should you always do before starting an experiment?
Start the experiment immediately
Read the instructions and identify hazards
What is the purpose of using a bar chart?
To show change over time
To compare different amounts or categories
