1st Grade Science : Earth and Space Science
Study concepts, example questions & explanations for 1st Grade Science
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Example Questions
Example Question #1 : Make Observations At Different Times Of The Year
Lisa went outside at noon in the winter and noticed her shadow was four feet long. She repeated this during the summer and her shadow was only two feet long. Why did her shadow change?
The Earth's position is different.
The Sun had changed from winter to summer.
Lisa had grown or shrunk.
The Earth's position is different.
Lisa observed this because of the Earth's tilt and position. During the summer, we are tilted towards the Sun, so our midday shadows are very short. During the winter, we have tilted away from the Sun, so our midday shadows are longer.
Example Question #2 : Make Observations At Different Times Of The Year
What does it mean to make observations? Example: Mrs. Sweets told the class to make observations during today's science lab about plants.
To watch something carefully
To bake something delicious
To plant seeds and water them
To watch something carefully
To make an observation means to watch something carefully and even take notes about it. In science, we collect data and information using our five senses to make conclusions about what we studied. Observing the experiment or investigation is important so you can gather evidence of what took place.
Example Question #9 : Make Observations At Different Times Of The Year
The sunrise and sunset change daily because the Sun changing its schedule.
False
True
False
The sunrise and sunset do change daily, but not because of the Sun! The reason the times for sunset and sunrise change are because of the Earth's tilt and position. Depending on where the Earth is in its rotation and how it is tilted, the sunrise and sunset will change a little bit each day.
Example Question #10 : Make Observations At Different Times Of The Year
How is the sun different at noon than at 7:00 PM?
It is hotter at 7 PM than at noon.
Its position in the sky is different.
It is prettier at noon than at 7 PM.
Its position in the sky is different.
The Sun is different throughout the day because of its position in the sky. At noon it will be directly above our heads in the sky. At 7 PM, the Sun will be setting so it will be low on the horizon or even beginning to disappear below the horizon depending on location and time of year.
Example Question #1 : Relate The Amount Of Daylight To The Time Of Year
What time of the year has the shortest days (least amount of sunlight)?
Summer
Spring
Winter
Fall
Winter
The winter has the least amount of sunlight when compared to the other seasons. During the winter, because of the Earth's position, we have less direct sunlight leading to shorter days, cooler temperatures, and the least amount of sunlight.
Example Question #1 : Relate The Amount Of Daylight To The Time Of Year
What is the relationship between seasons and the number of daylight hours?
As seasons change, the number of daylight hours changes too.
As seasons change, the number of daylight hours remains the same.
There is no relationship between the seasons and the number of daylight hours.
As seasons change, the number of daylight hours changes too.
There is a direct relationship between seasons and the number of daylight hours. During the spring and summer, longer days mean more daylight hours because of the Sun's tilt and position; during the winter, the days are shorter.
Example Question #3 : Relate The Amount Of Daylight To The Time Of Year
The order of the seasons changes every year.
False
True
False
This is an untrue statement. The order of the seasons stays the same every year. The order is based on the Earth's revolution around the sun which does not change.
Example Question #4 : Relate The Amount Of Daylight To The Time Of Year
What seasons have the most amount of daylight?
Fall and winter
Summer and fall
Spring and summer
Spring and summer
Spring and summer have the most daylight due to the Earth's position and tilt during these times. The days are longer which means more sunlight. During the summer solstice (the longest day of the year) parts of the world receive between 14 and 21 hours of sunlight!
Example Question #5 : Relate The Amount Of Daylight To The Time Of Year
What seasons have the least amount of daylight?
Fall and winter
Winter and summer
Spring and summer
Fall and winter
The fall and winter have the least amount of daylight of the four seasons. The Earth's tilt and position cause the Earth to be tilted away from the Sun, so there is less sunlight, and the days are shorter.
Example Question #1 : Relate The Amount Of Daylight To The Time Of Year
A student predicts that summer will have longer days and more sunlight so he can play outside more when compared to winter. Is the student's prediction correct? Why or why not?
Yes, he is correct. The Earth is tilted towards the Sun during the summer and away during winter.
Yes, he is correct. The Sun moves towards the Earth in the summer and away in winter.
No, he is incorrect. There is more daylight in the winter than in the summer.
Yes, he is correct. The Earth is tilted towards the Sun during the summer and away during winter.
The student is correct with his prediction. The Earth is slightly tilted, and during the summer, it is tilted towards the Sun, so we are warmer and get longer, sunnier days. During the winter, the Earth is tilted away from the Sun based on our position, so the days a colder, shorter, and there is less sunlight.
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