Random Science Flashcards
What is Science?
Science is the process of learning about the natural world through observation and experimentation.
What is a controlled experiment?
A scientific test where the people conducting it only change one variable at a time in order to isolate the results.
What does a palaeontologist study?
Fossils
What is Astrology?
The study of movements & positions of stars. This is not a science.
What is Astronomy?
The study of space.
What is Chemistry?
The study of matter, its properties & how it can react and change.
What is a scientific claim?
An answer to a scientific question.
Why is whipping egg whites a physical change?
Whipping egg whites simply adds air into the egg making them foamy. They are still egg whites ( not a new substance ) so this is a physical change.
What is a mixture?
A mixture contains two or more substances that are not chemically combined.
How might the position of a baby alligators eyes affect its chance of survival?
If one alligators eyes are positioned so that it can see more than another, it may be more likely to survive beau use it can better detect predators.
What is a force?
A push or a pool that can cause the motion of an object to change. It has two important properties strength and direction.
What is a balanced force?
When two equal forces act in opposite directions the result is that the forces are balanced and there is no motion.
What two things do or forces have?
Strength and direction
What is a catalyst?
A substance that speeds up a chemical reaction.
What is an oxidiser?
A chemical that provides a lot of oxygen to help things burn.
