Chemistry
Biology
Physics
Earth & Space
Random!
100

The second element on the periodic table

Helium

100

Asexual Reproduction

Producing offspring from one parent that is genetically identical to the parent

100

Translucent

Allowing some light to pass through

100

What is climate?

The average weather in a region over a long period of time

100

Symbol for silver

Ag

200

Acids have pH of __ than 7

Less than 7

200

Mitosis is the division of ___ in a cell

Division of DNA in a cell.

200

Subtractive colour theory

Light waves strike an object, some wavelengths reflect

200

Climate cycle is caused by Earth's ___

Earth's orbit

200

Primary cause of climate change

Human activity

300

Rusting: Physical or chemical change

Chemical change

300

Specialization

Cells that develop differently to perform different functions

300

Diffuse reflection

Light rays striking an uneven surface, reflecting in different directions

300

Rising sea level caused by

Melting ice sheets and thermal water expansion

300

Law of reflection

When light reflects on a surface, the angle of incidence = to the angle of reflection

400

What is the formula for Silicon Dioxide

SiO2
400

Circulatory system

The organ system that supplies oxygen and nutrients to your body

400

Penumbra

Area of partial shadow from a non-point light source

400

Eccentricity

Shape of orbit varies from being circular to elliptical

400

Golgi apparatus function

Transports, sorts, and packages proteins and lipids

500

Name for Mg(OH)2

Magnesium hydroxide

500

Spleen

Stores and filters blood. Makes blood cells that protect you from infection.

500

Triboluminescence

The emission of light from a substance caused by friction

500

The range of Earth's tilt

22.1 - 24.5

500

Smallest organ in the body

Pineal gland

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