Light
Chemistry
Biology
100

What is the index of refraction of water?

1.33

100

What do Bases end with?

Hydroxide

100

What are two parts of the cell that only exist in plant cells?

Cell wall, chloroplast

200

What is the speed of light in a vacuum?

3.00 x 10^8 m/s

200

What do combustion reactions always produce?

Carbon Dioxide + Water

200

What comes before the telophase in mitosis?

Anaphase

300

di is positive for ___ images and negative for ___ images

real, virtual

300

Which elements are a part of the hockey stick rule?

Nitrogen, Oxygen, all Halogens, and Hydrogens

300

In which phase are the centrioles and asters at opposite poles?

Late prophase

400

Why does accommodation take place?

The distance between the lens and the retina cannot change

400

An acid that has a pH of 2 is ___ times stronger than a base with a pH of 8.

1000000

400

What tissue types does the dermis contain?

Epithelial, muscle, nervous, connective

500

Name the 5 different sources of light.

Heat, electric discharge, chemical reactions, fluorescence, and electro luminescence.

500

Balance the following chemical equation: Cr + SnCl4 -> CrCl3 + Sn. What is the type of chemical reaction?

4Cr + 3SnCl4 -> 4CrCl3 + 3Sn. (Single displacement)

500

What are warts in the skin caused by, and which tissue does it affect?

An infection by the human papilloma virus. It affects the cells of the epidermal tissue.