Is it OK? – thousands of egg-shaped ice balls covering a beach

Grade level: 3rd-5th grades

Skills: measurement (length/mass)

Related environmental issues: climate change

It was reported that a beach in Finland was covered by thousands of egg-shaped balls of ice in the beginning of November, 2019. Experts said that it is a rare weather phenomenon. They ranged from the size of an egg to the size of a football.

1. The length of an egg is 2 inches. The length is a football is one foot. How many times is an football longer than an egg?

2. The weight of an egg is 2 ounces. The weight of an football is one pound. How many times is an football heavier than an egg?

Source) BBC News, Nov 7, 2019. ‘Ice eggs’ cover Finland beach in rare weather


Answer keys

1. 6 times. (12/2=6)

2. 8 times (16/2=8)

 

How do you get sick because of air in your house?

Grade level:  3rd- 5th grades

Skills: Addison and subtraction

Related environmental issues: Air 

Luckily, we don’t have anybody who die because of the air in your house (household air pollution) in the United States. However, many people around the world get sick and even die because of household air pollution. One out of 6 people in the world doesn’t have electrity and burns wood or coal in their house for cooking and heating instead. Breading harmful smoke from burning materials inside the house damages their health.

Screen Shot 2019-03-01 at 11.05.41 AM

1. In the Philippines, Asia, 47,676 men and 39,003 female unfortunately died because of household air pollution in 2016 alone. How many deaths did the Philippines have due to household air pollution?

Screen Shot 2019-03-01 at 11.00.09 AM

 

2. In the same year, 37,461 deaths occurred because of car crashes in the United States. How many more or less people died from household air pollution in the Philippines?

Sources:

World Health Organization, Global Health Observatory data respiratory, Death by country

Insurance Institute for Highway Safety, State by State general statistics for 2016

Photo- Science Daily, 2012. Open-fire cooking may affect child cognitive development

 

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Answer keys

  1. 47,676 + 39,003 = 86,679
  2. 86,679 – 37,461 = 49,218 more people