Science Flashcards
1
Q
What is speed?
A
How much distance is covered over a period of time.
2
Q
Which of these animals would probably cause the greatest pressure on the ground?
A
A fat cow with small feet.
3
Q
How do you calculate pressure?
A
Pressure = Force / Area
4
Q
When area increases…
A
…pressure decreases.
5
Q
What is the formula to calculate speed?
A
V = S / T
6
Q
What is an independent variable?
A
The variable that you change.
7
Q
How do you calculate moment of force?
A
Moment = Force x Distance
8
Q
How can you lie on a bed of nails?
A
Because your weight is distributed evenly over a large area.
9
Q
What is a control variable?
A
A variable that must be kept the same.