Animal Survival
What are the four basic needs of an animal?
Water, food, shelter/warmth, air
When a force acts on an object it can change the object’s
SPEED,
DIRECTION or SHAPE
What force slows you down in the air?
Air resistance
An astronaut has a mass of 60kg. What will their mass be on mars.
60kg
What conditions does a seed need to germinate?
Water, oxygen and warmth
A force is measured in the following units.
Newtons
How can you reduce air resistance?
Streamlining
An astronaut has a mass of 60kg. What weight will the astronaut have on mars if the gravitational force is 3.75N/kg
225N
What gases are found in Air?
To measure force we use a device called
NEWTON METER.
List down 2 planets that are closer to the sun
Mercury, Venus.
how can friction be reduced
Lubrication
I am a gas, and I relight a glowing splint. What am I?
Oxygen
a force which occurs when objects or surfaces are in contact.
Friction
Which planet has rings on in?
Saturn
What does each letter represent in this formula W=mg,
W= weight ,
m= mass
g = gravitational field strength
I turn lime water cloudy, what gas am I?
Carbon dioxide
The use of friction
An example of helpful friction is between brake pads and wheel rim on a bicycle etc.
What position is planet earth on from the sun?
third