Y10 Recall quiz questions

Question 1

units for mass

Answer 1

kg

Question 2

units for time

Answer 2

seconds

Question 3

What is a vector?

Answer 3

something that has size and direction

Question 4

metres to kilometres

Answer 4

÷1000

Question 5

What is a scalar?

Answer 5

something that has size but no direction

Question 6

cm to metres

Answer 6

÷100

Question 7

Examples of scalar quantities (d,s)

Answer 7

distance,speed

Question 8

Examples of vector quantities (d,f,v)

Answer 8

displacement,force,velocity

Question 9

How are vectors represented

Answer 9

using arrows

Question 10

units for speed

Answer 10

m/s

Question 11

typical walking speed

Answer 11

1.5 m/s

Question 12

typical car speed

Answer 12

10-30 m/s

Question 13

typical running speed

Answer 13

3 m/s

Question 14

typical speed of sound

Answer 14

330 m/s

Question 15

typical cycling speed

Answer 15

6 m/s

Question 16

define accleration

Answer 16

the rate of change of velocity

Question 17

what does the gradient of a distance-time graph give you?

Answer 17

the speed

Question 18

equation for speed

Answer 18

speed = distance/time

Question 19

what does the gradient of a velocity-time graph give you?

Answer 19

the acceleration

Question 20

what does the area under a velocity time graph give you?

Answer 20

the total distance travelled

Question 21

units for acceleration

Answer 21

m/s^2

Question 22

what can a force not do?

Answer 22

change the mass of an object

Question 23

define force

Answer 23

A push or pull that acts on an object due to the interaction with another object

Question 24

units for force

Answer 24

newtons

Question 25

define a contact force

Answer 25

A force which acts between objects that are physical touching

Question 26

define a non contact force

Answer 26

A force which acts at a distance, without any contact between objects

Question 27

examples of contact forces(fart)

Answer 27

friction, tension, air resistance

Question 28

examples of non contact forces (gem)

Answer 28

gravitational, electrostatic, magnetic

Question 29

units for work done

Answer 29

Joules (J)

Question 30

When is work done?

Answer 30

An object is moved a distance by a force

Question 31

What are the units for weight?

Answer 31

Newtons (N)

Question 32

Where does weight act?

Answer 32

Through the centre of gravity of an object

Question 33

What is the equation for weight?

Answer 33

W =mg

Question 34

What is the unit for height?

Answer 34

m

Question 35

What is the unit for power?

Answer 35

Watt

Question 36

Conduction transfers thermal energy mostly in...

Answer 36

Solids

Question 37

A Uranium-235 nucleus has energy in the...

Answer 37

Nuclear energy store

Question 38

Two electrons very close to each other have energy in the...

Answer 38

Electrostatic potential energy store

Question 39

Convection transfers thermal energy in...

Answer 39

gases and liquids

Question 40

Only radiation can transfer energy through what medium? (conduction and convection cannot)

Answer 40

a vacuum

Question 41

A convection current is when...

Answer 41

a hotter fluid rises and a colder fluid sinks

Question 42

What is the best absorber of infrared radiation?

Answer 42

a matte black surface

Question 43

What is the best emitter of infrared radiation?

Answer 43

a matte black surface

Question 44

Define insulation

Answer 44

Decreases thermal energy transfer through conduction

Question 45

What is the equation for work done?

Answer 45

work done = force x displacement

Question 46

What is work done?

Answer 46

The amount of energy being transferred

Question 47

What is the equation for gravitational potential energy?

Answer 47

GPE = m x g x h

Question 48

What is the equation for kinetic energy?

Answer 48

Ek = 0.5 x m x v^2

Question 49

What is the highest point above the equilibrium called on a wave?

Answer 49

peak

Question 50

define wavelength

Answer 50

the distance from a point on one wave to the equivalent point on the adjacent wave

Question 51

define a transverse wave

Answer 51

vibration of the wave travel perpendicular to the direction of energy transfer

Question 52

what is the lowest point below the equilibrium called on a wave?

Answer 52

trough

Question 52

name an example of a transverse wave

Answer 52

light

Question 53

increasing the amplitude increases what?

Answer 53

volume of sound

Question 54

unit of frequency?

Answer 54

Hz

Question 55

define a longitudinal wave

Answer 55

vibrations of the wave are parallel to the direction of energy transfer

Question 56

units of wavelength?

Answer 56

m

Question 57

name an example of a longitudinal wave

Answer 57

sound