General Science
What’s the largest organ in the human body?
The skin
What is one factor that makes a planet habitable?
temperature, water, atmosphere, oxygen, distance from sun, etc
What is irrigation used for?
To bring water to plants or crops?
What kind of energy build up when you pull back a catapult?
Potential energy (specifically elastic potential energy)
What part of the body helps pump blood all around you?
The heart
What body system controls movement?
Muscular system (with help from the nervous system)
Why would an alien need thick skin on a cold planet?
To insulate against the cold or protect from freezing temperatures.
Name one ancient civilization that used irrigation.
Mesopotamians, Egyptians, Mayans, Chinese etc
What type of simple machine is a catapult?
A Lever
What tools do scientists use to look at really tiny things like cells?
A microscope
What are three states of matter?
solid, liquid, gas
What organ in humans is most similar to a brain in aliens?
The brains (controls body functions, thinking, movement, etc)
What happens to plants if they get too much water?
The can drown, rot, or die
What does gravity do to the object after its launched?
Pulls it back down to the ground
Why does the moon look different every few days?
Because of the Moons phase as it orbits Earth
If you could create your own planet, what would be one rule of gravity?
Open-ended if you answer while doing 15 jumping jacks you get 5 extra points
If an alien lives under waters what type of body part might it have instead of lungs?
Gills or another way to extract oxygen from water.
What’s one way to move water uphill without electricity?
A water wheel, aqueduct, Archimedes screw or siphon
What angle might make a catapult launch the farthest?
Around 45 degrees
What’s the process called when water turns into gas?
Evaporation
Why do astronauts float in space?
Because of microgravity (they’re in free fall around Earth)
What does it mean if an alien has night vision?
It can see in the dark or low light.
Why is controlling water important for farming?
To make sure crops get enough water and don’t flood
What part of a catapult stores the energy before release?
The arm or rubber band elastic part (the tension mechanism)
What is the job of roots in a plant?
To absorb water and nutrients from the soil.