Simple Machines
How many simple machines are there?
Six
How many layers does the atmosphere have?
5
Why must special tools be created for space?
A space suit limits an astronaut’s mobility significantly due to its bulk and weight. So, for an astronaut to collect rock and soil samples from the places they visit, special tools must be created!
Perseverance's goals for Mars are to what?
Search for signs of ancient life and collect rock samples
What is a compound machine?
Compound machines are two or more simple machines working together to make work easier.
What is the lowest layer of the atmosphere?
Troposphere
In order to be useful a space tool has to be specially designed with _________ and _______ to make it easy for an astronaut to use
Handles and triggers
Name three challenges completed this year in STEM class?
Micro-raptor, Snowflake, catapult, space tool, lander, crane, parachute, paper chain, nano stamp, stomp rocket, google doodle, paper airplanes, rover challenge, elf on the shelf
Force is the effort put forth, the load is the weight, what supports the action?
The Fulcrum
What is the highest layer of the atmosphere?
Exosphere
What is the difference between symmetrical and asymmetrical?
Symmetrical is the same on both sides and asymmetrical is missing symmetry.
What class of lever has the effort in the middle with the force and fulcrum on either side and magnifies movement.
Class 3
Name the layers of the atmosphere
Troposphere, Stratosphere, Mesosphere,Thermosphere, and exosphere
In the space tool challenge what was the criteria your space tool needed to meet?
be able to grab an object
include at least one Class 3 lever
Include at least one wheel and axle
allow astronaut to stand when using
What does the prefix nano mean?
One billionth
Name all the simple machines
Pulley, Lever, Inclined Plane, Screw, Wheel and axle, Wedge
What layer of the atmosphere did the highest and longest-distance free fall jump take place? (skydive)
Stratosphere
What tool was used to work on the Hubble during the second servicing mission in 1997?
Ratchet
On July 30th, 2020 Perseverance was launched on which rocket?
ULA Atlas V Rocket