Physical Science GA Milestone Review

Front

What is a solubility curve?

Back

A graph that shows the relationship between the solubility of a substance and temperature.

Front

What is the relationship between temperature and solubility for most solids?

Back

Increased temperatures lead to an increase in solubility.

Front

What is the maximum solubility of potassium nitrate (KNO3) at 60°C?

Back

Approximately 110 g.

Front

What does it mean to conserve matter in a chemical reaction?

Back

The total mass of reactants equals the total mass of products.

Front

What are the coefficients for the reaction _Fe + _O2 → _Fe2O3 to conserve matter?

Back

4, 3, 2.

Front

What is specific heat capacity?

Back

The amount of heat required to raise the temperature of 1 kilogram of a substance by 1 degree Celsius.

Front

How do you determine the speed of a moving object using ticker tape?

Back

Measure the distance between each successive dot on the ticker tape.

Front

What does a constant distance between dots on ticker tape indicate?

Back

The speed of the object is constant.

Front

What is the effect of increasing the number of coils of insulated copper wire in an electromagnet?

Back

It increases the strength of the magnetic field.

Front

What is the purpose of a resistor in a circuit?

Back

To limit the flow of electric current.