Sci 8/9 Final Exam Review | Baamboozle - Baamboozle

English 48 Public

Electricity, Light & Optics, Chemistry

Study Slideshow

The view close objects the eye muscles must relax/contract?

contract

15

Longest waves on the electromagnetic spectrum

radio

15

These type of EM rays are used to take pictures of bones

x-rays

15

Night vision goggles use this type of EM wave to see in the dark

infrared

15

This type of EM ray causes sun tans and sun burns

UV (Ultraviolet)

15

In an electrochemical cell, the two different metals are called

electrodes

15

The best electrolyte to use in an electrochemical cell would be .... (2 possible answers)

Acid or salt water

15

When resistance increases, current will

decrease

15

When voltage increases, current wil

increase

15

This is a material that allows electrons to flow easily through it

conductor

15

static electricity is caused when ________ causes electrons to fall off/leave

rubbing/friction

15

What does this symbol represent?

cell

15

What does this symbol represent?

resistor

15

What is one advantage of using a parallel circuit over a series circuit?

If one electrical device breaks in the circuit, the others will keep working; same voltage throughout

15

1, 2, 3 = Which one is most efficient?

1

15

Which source of electricity is primarily used in BC?

Hydroelectric

15