States of Matter

Question 1

How do you measure the volume of an irregular object?

Answer 1

Place it in water and the volume of displacement is the volume of the object.

Question 2

How do you measure the volume of an irregular object with a very small volume?

Answer 2

1. Fill up a eureka can
2. Place measuring cylinder under mouth of eureka can
3. Place object in eureka can
4. Volume of water displaced into measuring cylinder is volume of object

Question 3

What is the formula for density?

Answer 3

density = mass / volume

Question 4

What is the formula for pressure?

Answer 4

pressure = force / area

Question 5

What is the formula for pressure difference?

Answer 5

pressure difference = height x density x gravitational field strength

Question 6

What is the formula for change in thermal energy?

Answer 6

change in thermal energy = mass x specific heat capacity x change in temperature

Question 7

What is specific heat capacity?

Answer 7

The amount of heat energy required to raise the temperature of a substance per unit of mass

Question 8

How are particles in a solid arranged?

Answer 8

They are arranged compactly and in a regular shape

Question 9

How are particles in a liquid arranged?

Answer 9

They are arranged irregularly but are still compact

Question 10

How are particles in a gas arranged?

Answer 10

They are not touching and are moving randomly