DESCRIBE HOW YOU CAN FIND THE VOLUME OF AN IRREGULARLY SHAPED OBJECT.

Through water displacement.

WHAT ARE THE 4 COMPONENTS OF AN ATOM?

DESCRIBE TWO WAYS OF REDUCING FRICTION.

1.Add a lubricant (grease, oil). 2.Make the surface smoother.

GIVE AN EXAMPLE OF A NON-RENEWABLE FUEL.

WHAT HUMAN ACTIVITY HAS CONTRIBUTED TO A RISE IN LEVELS OF ATMOSPHERIC CARBON DIOXIDE?

Burning fossil fuels

LIST 3 OF THE ENERGY SOURCES WE USE TO GENERATE ELECTRICITY IN THE UNITED STATES AND IN THE WORLD.

To generate electricity we can use: 1.Nuclear Power 2.Hydropower 3.Wind

WHAT IS REFRACTION?

THE BENDING OF LIGHT AS IT TRAVELS THROUGH A DIFFERENT MEDIUM.

WHAT HAPPENS TO A SUBSTANCE WHEN IT IS HEATED? WHAT ABOUT WHEN IT IS COOLED?

When a substance is heated, it expands. If a substance is cooled it contracts (shrinks).

WHAT EARTHLY EVENT IS A RESULT OF THE EARTH’S ROTATION?

Rotation results in: 1.Day and Night 2.Daily sunrise and sunset. 3.Daily movement of the stars

LIST 3 PROPERTIES OF MINERALS THAT CAN BE USED TO IDENTIFY THEM.

Properties to identify minerals include: 1.Color 2.Streak (color of its powder) 3.Hardness (Scratch test) 4.Luster (how it reflects light) 5.Cleavage (how it breaks)