Grade 8

The Curriculum
The StandardsThe Units
Grade 6 Questions |Grade 7 Questions | Grade 8 Questions


Each of the sections below present the essential questions that students will tackle during each of the four main units. Where/when possible, they are grouped by topic.


UNIT 1: Introduction (1-2 weeks)

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UNIT 2: __________________ (14-15 weeks)

7E. ACIDS & ALKALIS

1. What are acids and alkalis like and where do we use them?
2. How can acids and alkalis be identified and distinguished from each other?
3. Is there a range of acidity and alkalinity?
4. What happens when an acid is added to an alkali?
5. Where is neutralization important?

7F. SIMPLE CHEMICAL REACTIONS

1. What is a chemical reaction?
2. How does water react with metals?
3. How does water react with carbonates?
4. What new substances are made when materials burn in air or oxygen?
5. What is produced when fuels burn?
6. What is needed for things to burn?

7G. PARTICLE MODEL

1. How can we explain evidence from experiments?
2. How are theories created?
3. According to the standard particle model, what are the main differences between solids, liquids and gases?
4. How does the standard particle model explain the differences between solids, liquids and gases?
5. How might the standard particle model explain the observable (and documented) phenomena that we see within a stream ecosystem?

7H. SOLUTIONS

1. How can we tell whether or not a liquid is a mixture?
2. What happens to the solute when a solution is made?
3. How can we separate solvents from solutes?
4. Is there a limit to the amount of solid that will dissolve in a liquid?
5. What else affects solubility?

8E. ATOMS & ELEMENTS

1. How many different materials are there inside of insects?
2. How many different materials are there outside of insects?
3. What are elements made from?
4. What are elements like?
5. How do we get new materials beyond the elements themselves?
6. How can we represent the changes when these new materials are made?

8F. COMPOUNDS & MIXTURES

1. How are elements and compounds different?
2. How do compounds differ from the elements from which they are made?
3. Do compounds react chemically?
4. Are there other sorts of material besides elements and compounds?

8I. HEATING & COOLING

9I. ENERGY

1. How is energy from insects involved in doing useful things?
2. How can we reduce overall energy waste by using insects?


UNIT 3: Beyond Earth (11-12 weeks)

7A. CELLS

1. What are humans made of? What are humans made from?
2. How can using a microscope give us information about the internal structure of humans?
3. What are human cells like?
4. What do human cells do?
5. How are new human cells made?

7B. REPRODUCTION

1. How does the new life of a human begin?
2. When can human fertilization take place?
3. How is the human embryo supported by the parent as it develops?
4. What do human embryos need to survive?
5. How do humans change as they grow?
6. How is human reproduction similar to and different from reproduction in other living organisms, such as other animals and plants?

7C. ENVIRONMENT & FEEDING RELATIONSHIPS

7D. VARIATION & CLASSIFICATION

1. How do individual insects differ from each other?
2. What are the causes of this variation between individual insects?
3. How can we describe insects?
4. How can we sort insects into groups?
5. How do scientists classify insects?

7J. FORCES

7K. SOLAR SYSTEM

8A. FOOD & DIGESTION

1. What’s in food and why is it important?
2. Which foods provide a balanced diet?
3. What happens to food inside the digestive system?
4. What do digestive enzymes do?
5. Where are the products of digestion used?

8B. RESPIRATION

1. How do human cells use the food molecules absorbed after digestion?
2. How does the oxygen needed for respiration reach the tissues of the body?
3. What happens to oxygen molecules when it reaches the cells?
4. What is the role of the lungs?
5. How are inhaled and exhaled air different?
5. Do other organisms respire in a similar manner to humans?

8D. ECOLOGICAL RELATIONSHIPS

8K. LIGHT

9A. INHERITANCE & SELECTION

1. What human characteristics can be inherited?
2. Why are offspring of the same parent humans similar but not identical?

9B. FITNESS & HEALTH

9I. ENERGY & ELECTRICITY

9J. GRAVITY & SPACE

9K. SPEED

9L. PRESSURE & MOVEMENTS


UNIT 4: Student Investigations (4-5 weeks)

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