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The Solar System — Free MYP1 Sciences Practice Questions
1QuestionAsteroids Comets and MeteoroidsConcept Practice
2 marks~3 minCriterion A
Study the diagram of a comet.
a
Identify the solid, icy centre of the comet. [1]
b
Describe what happens to the solid, icy centre as the comet moves closer to the Sun. [1]
Solutions
2QuestionMovements of Planets Around the SunAssessment Practice
3 marks~5 minCriterion C
The diagram shows Mars moving across the night sky over several weeks. The dots are stars that stay fixed. Mars usually moves left to right, but sometimes it appears to move right to left before going forward again.
a
Name the term used for when a planet appears to move backward across the sky. [1]
b
Describe why Mars sometimes appears to move backward as seen from Earth. [1]
c
A friend says: "Mars must have stopped and turned around in space." Compare this idea with what actually happens, using an everyday example to help your explanation. [1]
Solutions
3QuestionMovements of Planets Around the SunConcept Practice
2 marks~3 minCriterion D
Earth travels around the Sun once every year, and this causes the seasons to change.
Identify one season that farmers use to plant or harvest crops. [1]
Describe how the changing seasons, caused by Earth moving around the Sun, affect one activity in everyday human life. [1]
Identify one season that farmers use to plant or harvest crops. [1]
Describe how the changing seasons, caused by Earth moving around the Sun, affect one activity in everyday human life. [1]
Solutions
4QuestionMovements of Planets Around the SunAssessment Practice
5 marks~8 minCriterion B
The table below shows four planets and how long each takes to travel once around the Sun.
Planet — Time to travel once around the Sun
Mercury is the closest planet to the Sun. Mars is the furthest of the four.
Planet — Time to travel once around the Sun
| Mercury | about 3 months |
|---|---|
| Venus | about 7 months |
| Earth | 12 months |
| Mars | about 24 months |
Mercury is the closest planet to the Sun. Mars is the furthest of the four.
a
Identify the planet that moves fastest around the Sun. [1]
b
Describe how the speed of a planet changes as it gets further from the Sun. Use the data to support your answer. [2]
c
Jupiter is much further from the Sun than Mars. Compare the speed of Jupiter with the speed of Mars around the Sun, and give one reason for your answer. [2]
Solutions
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