How do years happen? 5th grade exploring Science

1. Topic: Years
Ms. Raffia Siddique
Date: 3rd June 2020

2. Objectives
The Learners will be able to:
define a year with reference to the Earth’s
revolution around the sun on a fixed path
called an orbit
explain why we have leap years

3. Starter questions
• How old are you?
• How do you measure years?
• How many number of days a year could have?
• How years are happening?
• Is thee any term such as a leap year?

4. Why do people measured years?
• It was necessary to plant crops in right season
• The pattern of sunrise and sunset changes
over a year.
• Sun is higher in summer than in winter
• Shadows are shortest at 12:00 clock in the
midday

6. 11/06/2020
The Earth orbits the sun every…
…year (365 1/4 days)

7. Year - Definition
• A year is a period of twelve months or 365 or
366 days, beginning on the first of January and
ending on the thirty-first of December

8. Orbit
1. The path of earth around the sun is called an
orbit.
2. It takes 365 and half days or one year for
earth to orbit around the sun for once.

9. 11/06/2020
The Earth is tilted on an axis
North pole
South pole

10. 11/06/2020
The Earth spins on its axis every ___ (__ hours)

11. 11/06/2020
Because of this spin the sun rises in the ______
and sets in the ______

12. 11/06/2020
The sun appears lower in the _______ than it does in the
______:
Winter
Summer
Longer shadows in winter

13. 11/06/2020
While the Earth is spinning the side that faces the sun is in
________

14. 11/06/2020
The Earth is divided up into the northern hemisphere and
the southern hemisphere:
Equator
Northern
hemisphere
Southern hemisphere

15. 11/06/2020
The tilt of the Earth on its axis is also responsible for
the seasons:

16. 11/06/2020
Two things happen
because of this tilt:
1) The days are longer during the summer
2) The weather is warmer during the summer

18. Concepts that you must know
1. Earth moves around the sun
2. It takes the earth on complete year to orbit
the sun

19. Home work
• Learners will do the w/s 5Ed_2
• Homework: Do w/s 5Ed_4