life science
Earth science
nature science
physical science
RaNdOm
100

The main job of _________ is to perform cellular respiration. This means it takes in nutrients from the cell, breaks it down, and turns it into energy. The "Powerhouse of the cell"

mitochondria 
100
what is the most common gas in the atmosphere 
Oxygen 
100

What are the 3 R’s of recycling

reduce, reuse and recycle

100

how many cm are in a meter

100
100

what is the first element of the periodic table of elements

Hydrogen

200

 the Heart is Considered as a

organ
200

 What is the name of the largest ocean on earth?

The Pacific Ocean

200
what is rain considered as in the water cycle
precipitation 
200
how many MM are in a meter
1000
200
is this a question?
probably idk
300
The kidneys help the body do what
Filter waste from the bloodstream
300

Which of the following is NOT one of the five major physical properties of minerals

Chemical composition)Luster)Streak)Hardness)

chemical composition
300
how many legs does a arthropod have
8 legs
300

name a chemical change


rusting of iron

burning of wood

cooking an egg or any food

baking a cake

the explosion of fireworks

rotting bananas

milk going sour

300

what is The horn of a rhinoceros made from 

hair or keratin 
400
what plant organ does photosynthesis take place in?

A)The leaf

B)Chloroplast 

C)Root

D)flower

B)Chloroplast 

400

What type of rocks are formed from sediment over a really long time?

sedimentary 
400
how many processes are in the water cycle 
3  
400

If the voltage is 12 V and the resistance in the wire is 3 Ω, what is the the current in the circuit?


4 A
400
what is the basic unit of life
cells
500
where does all life eventually come from 
the sun
500
at what degree is the earth tilted

23 degrees

500

what is condensation?

along the lines of Water that collects as droplets on a cold surface when humid air is in contact with it

500

Which of these is an exothermic reaction?

A) Melting B) Freezing C) Vaporization D) Sublimation

A) melting
500

How many minutes are in a day?

1440
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