EOS1 EXAM 2023

Question 1

Qualitative data

Answer 1

words

Question 2

Quantitative data

Answer 2

numbers

Question 3

Independent variable

Answer 3

I change

Question 4

Dependent Variable

Answer 4

what is measured

Question 5

Controlled variable

Answer 5

Stays the same

Question 6

A force is a ____, a_____ or a ______

Answer 6

Push, pull, twist

Question 7

A force can be__

Answer 7

Contact or non-contact

Question 8

what measures Newtons

Answer 8

A spring balance

Question 9

How are forces drawn

Answer 9

arrows ( vectors)

Question 10

A contact force is

Answer 10

a force that needs the objects to have physical contact

Question 11

A non-contact force is

Answer 11

a force that occurs without contact

Question 12

The positive charge in an atom

Answer 12

protons

Question 13

The negative charge in an atom

Answer 13

electrons

Question 14

neutral charge in an atom

Answer 14

neutron

Question 15

the centre of an atom

Answer 15

nucleus

Question 16

A negatively charged atom has more

Answer 16

electrons than protons

Question 17

A positively charged atom has more

Answer 17

protons tha electrons

Question 18

The only part of an atom that can move are

Answer 18

the electrons

Question 19

normal force is

Answer 19

the opposite of gravity that holds thing up

Question 20

gravitational force is a

Answer 20

non-contact force

Question 21

electrostatic force is a

Answer 21

non-contact force

Question 22

friction is a

Answer 22

contact force

Question 23

magnetic force is a

Answer 23

magnetic force is both

Question 24

an insulator is

Answer 24

something that does not let electrons pass through it

Question 25

a conductor is

Answer 25

some things that passes electricity or electrons through it

Question 26

a non-contact force can also be called a

Answer 26

field force

Question 27

with magnetic force likes_____ and opposites ____

Answer 27

repel, attract

Question 28

magnets have 2 poles a

Answer 28

north pole and a south pole

Question 29

a permanent magnet is

Answer 29

a magnet that is always magnetic

Question 30

an electromagnet is

Answer 30

a magnet that needs to be charged before it is magnetic

Question 31

a magnet attracts any metal containing

Answer 31

iron

Question 32

you light a bunsen burner with the air hole

Answer 32

closed

Question 33

what is matter

Answer 33

matter is anything that has mass and takes up space

Question 34

particle theory is that

Answer 34

all substances are made up of tiny particles which are always moving

Question 35

a solid turning straight to a gas is called

Answer 35

sublimation

Question 36

a gas turning straight to a solid is

Answer 36

deposition

Question 37

if something is _____ dense it floats on something_____ dense

Answer 37

less, more

Question 38

electrostatic force is a _______ force created by

Answer 38

non-contact force created by surfaces rubbing together to create friction

Question 39

electrostatic force is when

Answer 39

electrons need to escape from a charged object so they jump form and create electricity

Question 40

there are 3 possible results of a force acting on an object

Answer 40

change in motion and speed, change in shape and change in direction

Question 41

gravitational force is a

Answer 41

non contact force