Required practicals aqa paper 1 physics

Why is a pointer attached to the spring?

• To make it look more professional

• To make it a fair test

• To ensure the total length of the spring can be measured accurately

• To keep the ruler level

How can you tell the relationship between weight is directly proportional to the extension between 0N and 1N

• The graph is straight in this range of readings

• The graph goes through the origin

• The graph curves after this point

• The graph is straight and goes through the origin.

When investigating insulation properties of different materials the dependent variable is:

• Type of material

• Temperature of water

• Volume of water

• Number of layers of material

When investigating insulation properties of number of layers of a material the independent variable is:

• Type of material

• Temperature of water

• Volume of water

• Number of layers of material

Not having the thermometer fully in the water increases which type of error?

• Human error

• Random error

• Systematic error

What is the correct definition of denstiy?

• The amount of mass per area

• The weight per unit volume

• The amount of matter in an object

• The mass per unit volume

Which of the following is the least dense?

• Air

• Liquid

• Aluminium

• Copper

In order to find the density of a regular object you must (check all that apply)

• Find the volume

• Calculate the weight

• Measure the mass

• Place it in a measuring cylinder

• Divide the mass by volume

Which of the given statements is true regarding ammeter and voltmeter?

• A. Ammeter is connected in series with the required device, Voltmeter in parallel

• B. Both ammeter and voltmeter are connected in series with required device

• C. The voltmeter is connected in series with the device, Ammeter in parallel

• D. They can be connected in any way

As the resistance in a circuit increases, the electric current __________.

• increases
• decreases
• stays the same