Semester Test 2 physical science

Front

What types of waves can travel through empty space and mediums?

Back

Electromagnetic

Front

Which two types of waves require a medium to travel? Options: Electromagnetic and Mechanical, Mechanical and Sound, Light and Electromagnetic, Light and Sound

Back

Mechanical and Sound

Front

Which of the following is a mechanical wave? X-ray, Infrared, Radio waves, Sound

Back

Sound

Front

What medium do sound waves travel fastest through?

Back

Solids

Front

The number of waves passing a given point each second is called:

Back

Frequency

Front

What is the correct formula for wave speed?

Back

Frequency × Wavelength

Front

As the wavelength decreases, the crest of the wave:

Back

Gets closer together

Front

How many different elements are in Fe₂O₃?

Back

2

Front

Two oxygen atoms bonded together are best described as a:

Back

Molecule

Front

H₂O is most accurately described as a: Molecule, Compound, Element, Atom

Back

Compound