Grade 4 Science Term 1 2024-2025 Exam Review Part 4

Front

Which part of the diagram below shows the wavelength? Options: A, B, C, D

Back

A

Front

Which part of the diagram below shows the trough? Options: A, B, C, D

Back

D

Front

Which part of the diagram below shows the crest?

Back

B

Front

Which part of the diagram below shows the amplitude? Options: A, B, C, D

Back

C

Front

Which word describes the amount of energy released by an earthquake?

Back

Magnitude

Front

What instrument is used to measure and detect earthquakes?

Back

Seismograph

Front

Which scale uses numbers from 1 and measures magnitude/energy released in earthquakes?

Back

Richter scale

Front

Which scale uses roman numerals and measures what people felt in earthquakes?

Back

Mercalli scale

Front

How much more energy does an earthquake 7 have compared to 6 on the Richter scale?

Back

32 times more energy

Front

What happens to the amplitude of an earthquake when its magnitude increases?

Back

amplitude increases