Biology
Class of animal that has live births, hair/fur and is warm blooded.
Mammal
Name for removing one object or substance from another.
Separation
How long does Earth take to do one revolution of the sun?
1 year/365 days
In a Freebody diagram an arrow represents what?(2 things)
Size and direction of force
Evidence recorded during an experiment.
Data and observations
Class of animal that lives part of its life cycle in the water.
Amphibian
What is a sieve used for in science? (Full answer- not "sifting"!) Give an example.
To separate substances with small particles from large particle substances (eg sand and rocks)
Where does Earth's North pole always point to?
Polaris or the North Star
Name 2 forces that can slow down movement.
Friction, air resistance, gravity
How should the level of a liquid in a measuring cylinder be read?
At eye level.
Linnaeus developed a system to do what?
Classify living things.
How can some metals be separated from other substances?
Magentism
What is the main cause of the seasons? Explain.
The tilt of the Earth and it's orbit around the sun causes differences in the concentration of sunlight causing different weather patterns on Earth.
A form of friction that stops slipping.
Traction
To adjust a measuring instrument so that it measures accurately is called what?
Calibrate or calibration.
The name given to the organisation of living things using Kingdom, Phyla, Classes, order and species is called what?
Taxonomy
What is a mixture of salty water called in chemistry?
A Solution
What is a solar eclipse?
When the Moon is perfectly aligned between the Earth and sun and blocks sunlight from reaching Earth.
Explain what "unbalanced" means in terms of forces.
Unbalanced means that one force acting on an object is bigger than any other forces causing the object to MOVE in the direction the force is applied. It means the object moves.
What is an annotated diagram?
A diagram that contains brief notes explaining different parts of the diagram.
What do the terms biotic and abiotic mean? Give an example of each.
Living and non living (various answers) animal, rock)
Name the 3 states that all matter can exist in?
Gas, Liquid, Solid
Name the 8 phases of the moon.
Full, waning gibbous, first crescent, first quarter, waxing gibbous, last quarter, last crescent, new moon
What is the difference between "weight" and "mass"?
The mass of an object never changes unless something is added or taken away. The weigh of an object depends on the force of gravity acting on it. Something weighs less on the moon but has the same mass.
What are the 3 different types of variables in an experiment and why are they different?
Independent - the one you change, dependent- the one you measure, control- the ones you keep the same.