sugar snake

Question 1

True or False? Burning = combustion

Accepted Answer

true

Question 2

Complete this sentence: in a combustion reaction, fuel is burned and

Accepted Answer

it reacts with oxygen to make energy (like heat)

Answer

it reacts with oxygen to explode

Answer

it makes oxygen

Question 3

Find the the ingredient you DO NOT need for combustion (burning)

Accepted Answer

Fuel to be burned, oxygen, and courage

Answer

Fuel to be burned, oxygen, and heat (like fire)

Answer

Fuel, Carbon dioxide, and heat (like fire)

Question 4

To make fire you need: fuel, gloves,  oxygen and heat

Accepted Answer

false

Answer

true

Question 5

If  you remove fuel, heat or oxygen a fire goes on

Accepted Answer

false

Answer

true

Question 6

Fuel, oxygen and heat are needed for a [blank_start]fire[blank_end]. If one of these is [blank_start]removed[blank_end], a fire will go out.

Accepted Answer

fire

Accepted Answer

removed

Answer

fun

Answer

trouble

Answer

added

Answer

created

Question 7

Fire can be dangerous, so be sensible and ask for an adult's help

Accepted Answer

true

	Creado por cecilia valente hace más de 1 año