5a- unit Solids, liquids and gase

Question 1

unit for tempreture

Answer 1

Temperature

Kelvin

K

Question 2

unit for energy

Answer 2

Energy

Joule

J

Question 3

unit for density

Answer 3

Density

Kilogram per cubic metre

kg/m³

Question 4

unit for acceleration

Answer 4

Acceleration

Metre per second squared

m/s²

Question 5

Unit for force

Answer 5

Force

Newton

N

Question 6

unit for pressure

Answer 6

Pressure

Pascal

Pa

Question 7

what does celcius represent

Answer 7

Degree Celsius (°C) & Kelvin (K): Measures temperature (0°C = 273K).

Question 8

what does joule represent

Answer 8

Joule (J): Measures energy, including thermal energy.

Question 9

waht does Kilogram per cubic metre

Answer 9

Kilogram per cubic metre (kg/m³): Measures density (mass per unit volume).

Question 10

what does Metre per second squared

Answer 10

Metre per second squared (m/s²): Measures acceleration.

Question 11

what does newton measure

Answer 11

Newton (N): Measures force, where 1 N = 1 kg·m/s².

Question 12

what does pascal measure

Answer 12

Pascal (Pa): Measures pressure, where 1 Pa = 1 N/m².

Question 13

Practical: Measuring Density and Pressure

Measuring the Density of an Irregular Object

Answer 13

Method: Measure mass with a balance; find volume by water displacement.

Observation: Use to calculate density.

Question 14

Practical: Measuring Density and Pressure
Measuring Pressure in a Liquid

Answer 14

Method: Use a pressure sensor at different depths in a liquid.

Observation: Pressure increases with depth, following .