8I Fluids And Forces

Question 1

Volume

Answer 1

The more volume the more space the object takes up (the amount of space space an object takes up)

Question 2

Solid-liquid

Answer 2

Melting

Question 3

Liquid-gas

Answer 3

Evaporation

Question 4

Gas-liquid

Answer 4

Condensation

Question 5

Liquid-solid

Answer 5

Freezing

Question 6

Gas-solid

Answer 6

Sublimation

Question 7

Solid-gas

Answer 7

Sulbimation

Question 8

Mass

Answer 8

How many particles (stuff) are in an object

Question 9

Density

Answer 9

How much space an object takes up and how many particles there are

Question 10

Why can particles change state?

Answer 10

The reason particles can change state is because a particle in a liquid has less energy than a gas and the gas has more energy than a solid. The particles gain and lose kinetic energy.

Question 11

Can density change

Answer 11

Yes

Question 12

Can mass change

Answer 12

No mass stays the same

Question 13

What happens to a balloon if the air inside is hotter

Answer 13

Makes the balloon rise because the more heat there is the more particles and they get more energy hitting against the inside of the balloon. When we heat up particles, they move further apart, heat is thermal energy.

Question 14

4 forces acting on any object

Answer 14

Upthrust, drag, thrust and weight

Question 15

How to work out mass

Answer 15

Density x volume

Question 16

How to work out density

Answer 16

Mass/volume

Question 17

How to work volume

Answer 17

Mass/density

Question 18

What are forces

Answer 18

Pushes or pulls between two objects

Question 19

What does it mean if u have a balanced force

Answer 19

That there will be no change in the object

Question 20

What does it mean if you have an unbalanced force

Answer 20

That there will be a change in the object