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[Grade 3] THAT MAKES SENSE: Exploring the FIVE SENSES

                               • Exploring the FIVE SENSES •

What’s in the box? 
**Students were blindfolded and were asked to pick up an item from the box. They have to touch/ feel and describe the object they have picked and they have to guess what it is.

Loud Sound or Soft Sound?
**Students had to guess which of the items make the loud sound, the soft sound.


 


 


 

 


 

 

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[Grade 4] Week 5: What does too much SUGAR do to our TEETH?

•••Observation: What does too much SUGAR do to our TEETH?•••

Which drinks have the most sugar?
Aloe Vera drink –
Lemon water –
green tea –
orange juice –
soda zero –
soda original –


• Trial #1: September 27, 2017 4:45pm

5 boiled eggs
purified water
commercialized green tea
soda zero
soda original
orange juice


 


• Trial #2: September 28, 2017 11:29am
raw egg shells
aloe drink
lemon water
purified water
commercialized green tea
soda zero
soda original
orange juice

 


  **5 Days Later**

October 3, 2017, Trial #2 Results *with raw eggshells*
*The samples were taken out because they started to grow moulds already*
                                                             

                                                         COKE and COKE ZERO 

 

                                                        Commercialized Green tea
IMG_8109

Lemon Water

 

                                                                     Orange Juice

 

Aloe vera Drink 

 


Tried also with other sugary drinks:

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[Grade 4] Week4: Food Groups

• Looking after ourselves •

•   To identify/ classify different food groups:
Healthy (Everyday) Vs. Not Healthy (Sometimes)
Go, Grow, Glow Food
Carbohydrates,  Proteins, Fats, Vitamins, Minerals

• Springboard 
Identify the following whether they are “everyday” food or “sometimes” food:
lettuce     cheese    pizza     nuts     rice     sausages     candy     apples     ham     cake
carrots      meat        pasta     milk     orange      chocolate       chicken      banana                       popcorn     watermelon


 

Go Foods Grow Foods Glow Foods
> provide you with heat and energy > help you grow TALL and STRONG > keeps your body well
> rich in carbohydrates, fats > are rich in protein > rich in vitamins and minerals
starches and sugars > keep the blood red > help you maintain good eyesight
> make bones, nails and and healthy skin
Examples:  teeth hard and strong > keep us from illness/ sickness
Rice, bread, pasta, cheese, butter Examples: Examples:
corn flakes, potato, corn Chicken, Tuna, eggs, meat, beans apples, bananas, carrots, lettuce,
nuts, tofu, milk and cheese tomatoes, pineapple, spinach


**Carbohydrates give you energy (sugary and starchy foods like: potatoes, rice, cereals, pasta, bread)
**Fats act as the body’s reserve tank of energy, helps our bodies stay warm in cold weather, (dairy products, red meat, poultry, fish and many of the ‘sometimes’ foods)
**Protein helps your body grow and repair itself (meat, poultry, fish, dairy products, eggs and beans
**Minerals  help your body grow, develop and be healthy
Iron is good for the blood, Calcium is good for the bones and teeth, Magnesium is good for the nerves (fruits and vegetables)

**Vitamins: vitamin means vital/ essential to life

Vitamin A: Orange and yellow fruits and vegetables (like carrots, sweet potato and pumpkin) and green leafy vegetables, milk and cheese, egg yolk, liver, fish oils

Vitamin D: Tuna, sardines and salmon, Margarines (vitamins added), Milk, butter and cheese, Eggs

Vitamin E: Vegetable oils and some margarine, Nuts and seeds.
Vitamin K: Leafy green vegetables like spinach, broccoli and cabbage, liver.


A
I help you see at night and help your body fight infections

D
I help make strong bones

E
I protect your skin

K
I help stop bleeding


Observation: What does too much SUGAR do to our TEETH? 

 


Resources:

Cambridge Primary Science 3

http://www.cyh.com/HealthTopics/HealthTopicSearchResults.aspx?p=269&search=food&weekly=False

 

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[Grade 5] Week Four: Observation

Objective: To determine which added material will make ice melt the fastest.

 

 

 

This week is observation week, and we will start with “melting”

Review:

∗Solids are often hard and brittle.
∗Liquids are fluid, can move around a little and fill up containers.
∗Gases are always around you.

Today….

We will determine which added material will make the ice cubes melt the fastest.


The changes of state of matter

•When a substance changes from one state or phase to another. (Changes always occur with the change of HEAT.

Today’s Observation:

What makes ICE melt the fastest?
Will a cube of ice melt faster in hot water or in cold water?
Will a cube of ice melt faster in sugar or in salt?

Materials:

ice cubes
transparent cups, bowls
sugar (15ml) + hot water (15ml)
salt (15ml) + hot water (15ml)
hot water (60 ml)
cold water (60 ml)
stopwatch or phone timer
cup labels

 

 

 

 

 

 


[CLASS 5b September 25, 2017]    
Time 11:05-11:45, Room 102

Trial #1 Result:
Ice melting in minutes
a. 60 ml Hot water – 2.48 minutes
b. 60 ml Cold water – estimated  22 minutes* (due to time constraint / limited time)
c. sugar (15ml) + hot water (15ml) – estimated  15 minutes* (due to time constraint / limited time)
d. salt (15ml) + hot water (15ml) – 12 minutes

[CLASS 5c September 25, 2017]
Time 11:50-12:30, Room 103

Trial #2 Result:
Ice melting in minutes
a. 60 ml Hot water – 2.25 minutes
b. 60 ml Cold water – estimated  23 minutes* (due to time limit)
c. sugar (15ml) + hot water (15ml) – estimated  16 minutes* (due to time limit
d. salt (15ml) + hot water (15ml) – 13 minutes

[CLASS 5g September 26, 2017]
Time 14:15-14:55, Room 207

Trial #3
Result:
Ice melting in minutes
a. 60 ml Hot water – 2.23 mins
b. 60 ml Cold water – 52.33 mins
c. sugar (15ml) + hot water (15ml) – 37.35 mins
d. salt (15ml) + hot water (15ml) – 24 mins

[CLASS 5a September 27, 2017]
Time 12:35-13:15, Room 108

Trial #4  Result:
Ice melting in minutes
a. 60 ml Hot water – 1.59 mins
b. 60 ml Cold water – 45 mins
c. sugar (15ml) + hot water (15ml) – 33 mins
d. salt (15ml) + hot water (15ml) – 21.41 mins


••Homework••

Trial #5 Result:
Ice melting in minutes
sugar (15ml) + hot water (15ml) –
salt (15ml) + hot water (15ml) –
sugar (15ml) + cold water (15ml) –
salt (15ml) + cold water (15ml) –

 


SAMPLE Graphical presentation of data

22052608_10210379870549343_1637884810_n


[To be updated]

 


Sources:

Cambridge Primary Science 4

https://www.sciencebuddies.org/science-fair-projects/project-ideas/Chem_p049/chemistry/what-makes-ice-melt-fastest

https://en.wikiversity.org/wiki/Primary_Science_Experiments/Melting_ice_cube_experiment

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• The Vinegar and Baking Soda Observation •

Understanding and Exploring the Scientific Method 

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Science is fun! 😀

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Blowing up a balloon with vinegar + baking soda [vinegar: 20% vs 6%]

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Blowing up a balloon with vinegar + baking soda [vinegar: 20% vs 6%]

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Image source: https://www.pinterest.com/pin/324540716883366018/

Posted in Primary Science, Science, Uncategorized

Grades 4-5: September 11-15

Orientation to the Curriculum

⇐ Review ⇒

What is Science?
Science is the study of the world around us.

What is a SCIENTIFIC METHOD?
The Scientific method is an organized (step by step) way to answer questions and solve problems.

*The 7 Scientific method steps ASITCIS
Ask questions
State hypothesis
Identify variables
Test hypothesis
Collect data
Interpret data
State conclusion

 

Key Vocabulary
discovers   measures   records   observes   invents   explores   experiments    classifies   collects  research   guess/ hypothesis  conclusion  gathering  accurate   reliable  organize   interpret  identify


In Science…

– We ask questions.
– We read to gather information.
– We collect evidence or data.
– We make a guess (hypothesis)
– We experiment.
– We observe.
– We interpret.
– We make a conclusion.

 

Class Homework:

Bring a box of baking soda
A Bottle of Vinegar
Food Colors & Balloons
Paper towels

Sources:

[google images]

https://www.branson.k12.mo.us/cms/lib/MO01909792/Centricity/Domain/804/Notes%20and%20things%20to%20study.pdf

https://sciencebob.com/science-fair-ideas/the-scientific-method/