Science

Question 1

Is Michondrea the power house of the cell?

Answer 1

Yes

Question 2

When a balloon is fully inflated, the forces acting on it are un-balanced. True or False?

Answer 2

False the forces are balanced

Question 3

Does friction slow you down?

Answer 3

Yes

Question 4

Does friction wear down tyres

Answer 4

Yes

Question 5

Does friction make it easier to carry things?

Answer 5

No

Question 6

Is friction useful for riding a bike?

Answer 6

Yes

Question 7

Galleleos theory was that in a vacuum with no gravity, a hammer and a feather would drop equally, was his theory correct?

Answer 7

Yes

Question 8

What are cells?

Answer 8

The smalest structural and functional unit of an organism

Question 9

What is tissue?

Answer 9

A group of similar cells with the same job

Question 10

What is an organ?

Answer 10

A collection of several different tissues working together to do a job

Question 11

What does a flower do?

Answer 11

Attracts bees for pollination

Question 12

What foes the stem do?

Answer 12

Carries substances such as wateraround the plant and holds the leaves on place

Question 13

How many people die every day while waiting for an organ transplant?

Answer 13

22 people

Question 14

What does stem research do?

Answer 14

It can heal someone with a disease and possibly help a disabled man

Question 15

What do we use to measure a force?

Answer 15

A Newton meter

Question 16

Does weight change as gravity changes?

Answer 16

Yes

Question 17

When to forces act on an object and are equal in size but act in opposite directions, what kind of force are they?

Answer 17

A balanced force

Question 18

Is friction a force that happens when an two objects touch?

Answer 18

Yes

Question 19

What is mass?

Answer 19

Mass is a measurement of how much if something there is

Question 20

What is mass measured in?

Answer 20

Grams and kilo-metres