Units of genetic information that determine the specific characterstics of an individual are called....
What is genes?
100
A substance that contains only one kind of particle is called a....
What is a pure substance?
100
The safest place to be in a thunder and lightening storm is in a car. True or False.
True.
100
Huge groups of stars are called...
What is galaxies?
100
A solid that is generally shiny and malleable and a good conductor of heat and electricity is called...
What is metal?
200
Cells that have many tiny hairs are called.....
What is cilia?
200
Pure substances that contain two or more different elements in a fixed proportion are called...
What are compounds?
200
The study of static electric charge is called...
What is electrostatics?
200
A device that receives radio waves from space is called....
What is a radio telescope?
200
The process of forming identical offspring from a single cell or tissue is called cloning. True or False
True
300
Dividing nuclear material during cell division is called cell cycle. True or False
False - Mitosis is the process of dividing nuclear material during cell division.
300
A combination of symbols that represents a particular is called....
What is a chemical formula?
300
Like charges repel one another, and unlike charges attract one another. What law is this?
What is the law of electric charges?
300
A model reflecting the observation that Earth and other planets travel around the sun is called...
What is Sun-centred Solar System?
300
A charge on a substance that stays in the same place is called...
What is static electricity?
400
When genetic information from two cells is combined to produce a new organism it is called.....
What is sexual reproduction?
400
The formula for sodium bicarbonate is....
What is NaHCO3?
400
The reason why static electricity is worse in the winter is because the cold air is more wet than other times during the year. True or False
False. The reason why static electricity is worse in the winter is because the cold air is much drier and contains fewer water molecules than it does in other seasons.
400
A huge cloud of dust and gases in outer space is called....
What is nebula?
400
The Dolly Revolution was proven wrong by......(which doctor)
Who is Dr. Ian Wilmut?
500
Changes in the genetic code are called.....
What are mutations?
500
The elements that occupy the far right column of the periodic table are called alkali metals. True or False
False. The elements that occupy the far right column of the periodic table are called noble gases.
500
Four examples of good conductors are....
What is (could be any of these) silve, copper, gold, aluminum, magnesium, tungsten, nickel, mercury, platinum, iron, selenium.
500
An enormous explosion that occurs at the end of a large star's life is called.....
What is a supernova?
500
Two reasons why the sun is so important is....
1. It provides the energy needed by all plants and animals on earth.
2. The suns gravitational pull keeps us in steady orbit.