Year 7

Question 1

What is a force?

Answer 1

A push, pull or twist

Question 2

What is a contact force?

Answer 2

A force that requires contact to occur

Question 3

Example of a contact force

Answer 3

Friction air resistance and tension

Question 4

Example of non contact forces

Answer 4

Gravity

Question 5

What do you measure forces in?

Answer 5

neutons

Question 6

What happens if forces are balanced in opposite directions

Answer 6

It stays still

Question 7

What happens if forces are unbalanced

Answer 7

It moves the stronger way

Question 8

Equation to calculate speed

Answer 8

Distance÷ time

Question 9

How do you get weight

Answer 9

Mass x gravitational field

Question 10

What is the strongest force

Answer 10

strong nuclear force

Question 11

If you are pulling what way is the forcs going (left right or center)

Answer 11

left

Question 12

If two forces are the same strength what is this called

Answer 12

Balanced force

Question 13

If a force is 20N left and 60N right which way would it move?

Answer 13

40N->

Question 14

What cell has a cell wall?

Answer 14

Plant cell

Question 15

What is the job of a nucleus

Answer 15

Conrol cell and has DNA

Question 16

What does the ribosomes do?

Answer 16

Create protein

Question 17

What is mitochondria

Answer 17

Where resperation happens to make energy

Question 18

How do cells respire?

Answer 18

They take in carbon dioxide

Question 19

What is precision?

Answer 19

All results are close to each other

Question 20

What is accurate

Answer 20

Close to the target

Question 21

What colour is ths safety flame

Answer 21

Yellow

Question 22

Why is the safety flame called that

Answer 22

Its colder than the others

Question 23

How to make a graph

Answer 23

1。graph paper
2。draw how long x and y axies are
3。Draw the units/numbers
4。match it up on the graph

Question 24

What does a red blood cell do

Answer 24

Carry oxygen

Question 25

What do white blood cells do

Answer 25

Protect your body from