Magnets-Metals-Respiration🍁

Question 1

How do you de-magnetize an electromagnet?

Answer 1

Turn it off

Question 2

How do you neutralize an acid?

Answer 2

With an alkali product such as bleach.

Question 3

What is an example of an acid?

Answer 3

Vinegar

Question 4

What colour is acid on the pH scale?

Answer 4

Red/Pinky colours

Question 5

What is the main colour of alkaline on the pH scale?

Answer 5

Blue/Purpley colours

Question 6

What metals are magnetic?

Answer 6

Iron, Nickel and Cobalt.

Question 7

What colour is neutral on the pH scale?

Answer 7

Green or colourless.

Question 8

What numbers are the pH scale to and from?

Answer 8

0 - 14

Question 9

Tarnish means…

Answer 9

Dullness of colour/ Loss of brightness

Question 10

Conductor of electricity is…

Answer 10

Electric current can flow freely

Question 11

Conductor of heat means…

Answer 11

The heat can flow through easily

Question 12

Example of conductor of electricity and heat…

Answer 12

Copper

Question 13

Is steel magnetic? If so, why?

Answer 13

Steel is an alloy of iron which is magnetic.

Question 14

How do you magnetise an unmagnetised nail?

Answer 14

Stroke it with a magnet

Question 15

How do you use a compass to tell if something is magnetised?

Answer 15

The needle will point at it

Question 16

Would a north and north…
A) attract
B) repel
C) no affect

Answer 16

B) repel

Question 17

Would a south and south…
A) attract
B) repel
C) no afffect

Answer 17

B) repel

Question 18

Would a north and south…
A) attract
B) repel
C) no afffect

Answer 18

A) attract

Question 19

Would a south and north, one vertical and one horizontal…
A) attract
B) repel
C) no afffect

Answer 19

A) attract

Question 20

Malleable means…

Answer 20

Can be bent and hammered without breaking

Question 21

What’s the difference between magnets and electromagnets?

Answer 21

Electromagnets can be turned on and off

Question 22

Sonorous means…

Answer 22

A nice sound made when hit

Question 23

Ductile means…

Answer 23

Can be pulled into wires

Question 24

High density means

Answer 24

The particles are closer together making the metal harder to break or bend

Question 25

How do you measure density?

Answer 25

Density = mass OR Density = mass divided by volume -------- volume

Question 26

What does your rib cage do?

Answer 26

It protects your organs like the lungs and diaphragm

Question 27

What is an alveoli?

Answer 27

An alveoli is a tiny sack in your lungs

Question 28

What is the correct word equation for respiration?

Answer 28

Glucose + oxygen ➡️ carbon dioxide + water

Question 29

What is an out of line result on a graph called?

Answer 29

An anomalie

Question 30

What acid is built up during exercise?

Answer 30

Lactic acid