Chemistry
Cells & Systems
Light & Optics
Mechanical Systems
Fresh & Salt Water
100
The thickness or thinness of a liquid
What is viscosity
100
Basic Unit of Life
What is a cell
100
Which part of the electromagnetic spectrum is the highest frequency?
What is Gamma Rays
100
Work is measured in...
What is joules
100
% of Salt water on Earth? % of Fresh water on Earth?
What is 97% and 3%
200
Calculate the density of a piece of metal that has a mass of 100 g and a volume of 20 cm3?
What is 5g/cm3
200
Organs are made from?
What is tissues
200
Which term describes the visible light given off by a chemical reaction?
What is chemiluminescent
200
Hydraulic systems use
What is liquid
200
Deposits of clay, sand and sediments at the bottom of a glacier?
What is till
300
The mass per unit volume of a substance
What is Density
300
Photosynthesis is processed in which part of the plant?
What is chloroplasts
300
Bending of light as it passes from one medium to another
What is refraction
300
Force is measured in
What is newtons
300
Scratches on a glacier
What is striations
400
When a solid changes to a gas skipping liquid state it is known as...
What is sublimation
400
Present only in the cells of plants, fungi, and some unicellular organisms, this organelle provides support for the cell. What is the name of this organelle?
What is cell wall
400
Name the opening of your eye through which light enters.
What is pupil
400
Machines cannot be 100% efficient because of
What is Friction
400
When the Moon, Earth, and the Sun are in line, the tidal range is ___________________.
What is the greatest
500
Freezing is also known as... vaporization, sublimation, solidification, or fusion
What is solidification
500
Movement of water across a membrane
What is Osmosis
500
What causes refraction in water
What is different densities
500
A battery is an example of an energy conversion device that takes __________________ energy and changes it into _________________ energy.
What is chemical & electrical
500
Ocean currents affect _______________________ .
What is the climate on continents