Homework Worksheet
TN-SCI-GR3-65330 · v2.-6
Core Rules of Ecosystems
Grade 3 · Science · Ecosystems · Cambridge (CAIE)
Grade
Grade 3
Subject
Science
Topic
Ecosystems
Subtopic
Core Rules of Ecosystems
Curriculum
Cambridge (CAIE)
Difficulty
Core
Time
25 minutes
Total marks
36
Student name
Teacher name
Date
Learning objectives
- Recognise core rules of ecosystems accurately in science contexts.
- Explain the underlying rule of core rules of ecosystems in the student's own words.
- Apply core rules of ecosystems to multi-step and unfamiliar problems.
- Justify a chosen method and identify errors in another student's work.
Skills assessed
- Fluency and recall
- Method and setting out
- Reasoning and justification
- Problem solving in context
- Self-assessment
Instructions
- Write your name, your teacher's name and the date in the header.
- Answer every question in the space provided. Continue on the back if needed.
- Show all working — method marks are awarded even when the final answer is wrong.
- Aim to finish in about 25 minutes.
- Complete the reflection box at the end before you hand the sheet in.
Warm-up
Bloom: Remember · 3 marks
Answer quickly. These check you are ready for the topic.
1.Name one fact you already know about core rules of ecosystems.
[1]2.Write down one fact you already know about core rules of ecosystems.
[1]3.Name one fact you already know about core rules of ecosystems.
[1]
Recall
Bloom: Remember · 3 marks
Complete from memory. No calculator, no notes.
1.Label the key term used in core rules of ecosystems described here: item 1.
[1]2.Label the key term used in core rules of ecosystems described here: item 2.
[1]3.Label the key term used in core rules of ecosystems described here: item 3.
[1]