year 8 Science Homework Week 2

Last updated over 4 years ago
15 questions
1

Ultrasound and Echoes are examples of…

1

When sound reaches an object, some of it is _______ back to the source

1

Sonograms use __________ to produce images

1

Animals using sound waves is called….

1

________ is used to measure further distances

1

Which type of electromagnetic wave is the blue box covering?

1

Which type of electromagnetic wave is the orange box covering?

1

Which type of electromagnetic wave is the yellow box covering?

1

Which type of electromagnetic wave is the yellow box covering?

1

Which type of electromagnetic wave is the blue box covering?

1

Which type of electromagnetic wave is the orange box covering?

1

An object that gives out its own light is called a…..

1

Light rays always travel in….

1

Materials that light cannot pass through are called…

1

Materials that some light can pass through are called…