"Spring Starry Sky" PPT

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"Spring Starry Sky" PPT

Part One: Starry Sky Observation

What needs to be done for starry sky observation:

1. What instruments do we need to prepare?

2. How do we arrange the time for observation?

3. How do we record observed data;

4. How do we analyze and organize the data obtained.

Observation schedule:

1. Observe the changes in the positions of the constellations throughout the day.

We selected a certain day and observed every hour from 6 p.m. to 11 p.m.

2. Observe the long-term position changes of the constellations.

We determined that the observation time is 8 pm, and the observation is done once on the 10th of every month.

Spring Starry Sky PPT, Part 2: Getting to Know the “Stars”

Looking for the North Star

Tip: We can use the easily found constellations near Polaris to discover their positional relationships.

Such as: Ursa Major, Cassiopeia, etc.

Find the North Star:

First look for the Big Dipper, then connect the two stars in front of the mouth of the Big Dipper and extend about 5 times the distance toward the mouth of the Big Dipper to find the North Star.

Spring Starry Sky PPT, Part 3: Classroom Exercises

Class quiz:

1.What are these constellations?

2. The North Star is always in the _____ direction, and it can help us _____ in the dark night.

3. In spring, Leo is located to the south of the Big Dipper. Its head faces _____, and it consists of several brighter stars forming a curved _____. Its tail is at _____, and it mainly consists of three stars to form a --------.

4. Through observation, I discovered that the handle of the Big Dipper is in the spring direction ( ).

A． South b. North c. East D. West

5. Use the knowledge learned today to predict:

A. How will the positions of the Big Dipper change from spring to summer?

B. How will the positions of other constellations change?

Spring Starry Sky PPT, Part 4: Classwork

Extracurricular homework:

Use the observation methods we learned today to conduct long-term observations and explorations of the spring starry sky and summer starry sky.

Notice:

1. Design an observation plan.

2. Choose a constellation you like to focus on.

3. Keep observation records.

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Update Time: 2024-09-30

This template belongs to science courseware Qingdao Edition Fourth Grade Science Volume 2 industry PPT template

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