Category: Experiment

Experiment – Is the yeast still active?

Introduction

What is it about

testing yeast.

What is involved

testing yeast to see if it is active so we can make bread.

Supplies

  • A cup of warm water ( 43 ° c- 46 ° c )
  • 1 teaspoon of sugar
  • 4 teaspoons of active dry yeast

Process

  1. put plain water into a cup.
  2. put sugar into the cup and stir the sugar and the water.
  3. 4 teaspoons of dry yeast and stir and let stand for 10 minutes.

Observation

 

Reflections

What worked?

check if the yeast was active.

What didn’t work?

the yeast was not active.

What could be better?

try when you just bought it .

What would you change and how?

try when you just bought it .

What did you think would happen?

I thought that it would start to foam but it did not.

Experiment – Celery in Different Colored Water

Introduction

What is it about

this experiment is about what happens to celery when it is whit water and food coloring.

What is involved

grab the 4 stems of celery and put them in 4 glass jars and watch what happens.

What scientific rule is being studied

Plants absorbing water.

Supplies

  • 4 glass jars
  • 4 stems of celery
  • 3 different food colors
  • 4 cups of water
  • Scissors

Process

Clock 11:20am
Time we started the experiment
  1. Pick Celery from the aquaponics
  2. Use the scissors to cut off the bottom
  3. put them in the glass jars
  4. put yellow,pink and blue food coloring in the glass jars
  5. wait a hour or a few days and see what happens

Observation

After an hour

nothing happened

After 3 days

the water absorbed the celery

The Celery had absorbed some of the water
The Celery had absorbed some of the water

Reflections

What worked?

the food coloring traveled up the stems

What didn’t work?

the celery should have absorbed the food coloring

What could be better?

I could have took more photos and measure the water

What would you change and how?

I would try store bought celery or celery grown in the dirt.

What did you think would happen?

I thought that the stems would grow roots and they didn’t.