Top Tweets for #stemstarter
Today’s simple #STEMstarter:
Have students drop ruler, record the distance before catching it, find an average, convert to feet, then use d=16t^2 to calculate reaction time in seconds
To help my students develop their brainstorming skills, I used https://t.co/8VcZKVmkvn & challenged groups to come up with 3 ideas in 3 minutes, then share their best idea with the class
#STEMstarter
Can you crack the password?
Today’s simple #STEMstarter idea:
Students build 2 paper “coasters” with different slopes & starting heights to model systems of equations
Today’s simple #STEMstarter idea:
Students sometimes think an atom looks like the simple circle drawings…so I have them drop 8 paper wads to simulate the electrons are in motion around the nucleus
Today’s simple #STEMstarter idea:
Get a cold pack & hot pack to make endothermic & exothermic tangible
(& the students liked using the new $15 infrared thermometer)
Today’s simple #STEMstarter idea:
Try one of the new Space Dunk Oreos and have students make a hypothesis & time how long the “popping” continues in their mouth
🍪 + 💥= 🚀
Today’s simple #STEMstarter:
Drop a candy heart into liquids (water, vinegar, baking soda water, Sprite) & observe what happens (some will start “dancing”)
#STEM #ValentinesDay
Today’s simple #STEMstarter:
We put a candy heart in 50 mL of cold & 50 mL of hot water, stirred, & made observations
#STEM #ValentinesDay
Today’s quick #STEMstarter challenge: we measured a balloon’s diameter, tied it up outside for 40 minutes, then measured it again.
I made the kids write a hypothesis including how much bigger/smaller they thought it would get 🎈
#STEM #chemistry
My #chemistry students wondered what would happen if we put a pop can in the freezer…so we tried!
(and they made me promise to add the “blooper” at the end)
#STEMstarter #STEM
Today’s quick #STEMstarter challenge: we switched the conditions of yesterday’s demo…this time we cooled a can, then inverted it into hot water (great for starting discussion)
Today’s quick #STEMstarter challenge: put about 1 inch of water in an aluminum can, heat it until steam comes out, then turn it over into a pan of cold water
(it’s pressure, temperature, & volume)
Eating food in space can be a lot of fun, but dining in a microgravity environment also has its challenges! 🍪🍔🌮🍕
Follow along as we share a few fun facts about food on the @Space_Station:
A student asked me “Hey Mr, suppose you have $10k and could invest in a new biz with a 60% of turning into $100k and 40% losing your money…would you do it?”
So we simulated it…I grabbed a sheet of paper, wrote 1-10, told him to circle 6 numbers, & I made my guess.
#STEMstarter
Today’s quick #STEMstarter challenge: drop some epsom salt water into soapy water to watch a precipitate form (a very simple chemical reaction)
Today’s quick #STEMstarter challenge: create a circuit with an LED and test liquids & arrange in order of brightness 💡
(We used distilled H2O, tap H2O, salt H2O, sugar H2O, Mt Dew, Powerade, & Gatorade)
In case you were wondering how to calculate the number of balloons to fill a room: https://t.co/649jbB1WSt
#STEM 🎈🎈#STEMstarter 🎈🎈
Today’s quick #STEMstarter challenge: try adding 3 g , then 2 g of baking soda to 50 mL vinegar & watch what happens each time to the mass (we also added a few drops of universal indicator)
#STEM #observation
Today’s quick #STEMstarter challenge: we used molecule models to visualize balancing chemical equations (it really helped, it made it more than just a bunch of numbers!)
C3H8 + O2 -> CO2 + H2O
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