54-27
27
What system helps you breathe?
What This Respiratory system?
True or false? Clouds are made of tiny water droplets.
True. When water from the land evaporates and condenses high up in the sky, clouds can form from all the water droplets.
What is the chemical symbol for water?
What is H2O
You’re running a race and, just before the finish line, you pass the person in second place. In what place did you finish the race?
Second place
3/4 of 24
18
What system moves blood?
Your heart and veins moves blood along with oxygen
True or False. The most rainbows you could see at one time is two, which is called a double rainbow.
False. It is rare, but possible to see up to four rainbows at once.
Why is the sky blue?
Sunlight scatters in the atmosphere, with blue light scattering the most.
What has 13 hearts, but no lungs, feet or bellybuttons?
A deck of cards
which is bigger 2/3 or 3/5?
what is 2/3?
Why do muscles need oxygen
to make energy
True or False. Earth is the only planet with clouds.
False. Other planets have clouds, but they can be made from different materials. The clouds on Jupiter are made from ammonia.
What are the three states of matter?
Solid, liquid, and gas
I speak without a mouth and hear without ears. I have nobody, but I come alive with the wind. What am I?
An echo
5/6 of 30?
25
Why does your heart beat faster when you run?
To deliver more oxygen to your body to your body
why do we see lightning before thunder?
Because light travels faster than sound
What is the force that pulls things down to Earth?
Gravity
What can run but never walks, has a mouth but never talks, has a head but never weeps, and has a bed but never sleeps?
A river
You have 36 tickets. You give 8 to each of 3 friends. How many tickets are left?
12
How much spit does your body make in a day?
A litter
How is fog different than clouds?
Fog is near the ground
What do we call a star that suddenly becomes much brighter because of an explosion?
Supernova
What has one eye but can't see?
A needle