Quiz Name : Are you as smart as a grade 9 student?

Vecka : v23

MA 1. A shopkeeper gives a customer a puzzle discount: “If you buy 3 notebooks for $4 each and 2 pens for $2 each, then pay with a $20 bill, how much change should you receive?”

A - $6
B - $4
C - $8
D - ---

Korrekt svar : A - $6


BI 2. In a forest ecosystem, which of the following correctly shows a simple food chain?

A - Grass → Rabbit → Fox
B - Fox → Rabbit → Grass
C - Rabbit → Grass → Fox
D - ---

Korrekt svar : A - Grass → Rabbit → Fox


GEO 3. Which layer of the Earth is the thinnest and where we live?

A - Mantle
B - Core
C - Crust
D - ---

Korrekt svar : C - Crust


CHEM 4. Which of the following best describes a compound?

A - A substance made of two or more elem...read more A - A substance made of two or more elements chemically combined
B - A substance made of only one type of...read more B - A substance made of only one type of atom
C - A mixture where substances are not c...read more C - A mixture where substances are not chemically joined
D - ---

Korrekt svar : A - A substance made of two or more elements chemically combined


PHY 5. Which statement best describes density?

A - How heavy an object feels
B - How much space an object takes up
C - How much mass is packed into a given...read more C - How much mass is packed into a given volume
D - ---

Korrekt svar : C - How much mass is packed into a given volume


SS 6. Which of the following best describes a democracy?

A - A system where one king or queen has...read more A - A system where one king or queen has full power
B - A system where citizens choose their...read more B - A system where citizens choose their leaders through voting
C - A system where the military controls...read more C - A system where the military controls the country
D - ---

Korrekt svar : B - A system where citizens choose their leaders through voting


PE 7. Which of the following is a benefit of regular exercise?

A - It reduces fitness and weakens muscl...read more A - It reduces fitness and weakens muscles
B - It improves strength, stamina, and o...read more B - It improves strength, stamina, and overall health
C - It causes permanent tiredness
D - ---

Korrekt svar : B - It improves strength, stamina, and overall health


MA 8. Sara is thinking of a number. She doubles it and then adds 6. The answer is 20. What was Sara’s original number?

A - 5
B - 7
C - 10
D - ---

Korrekt svar : B - 7


BI 9. Which of the following animals is an invertebrate?

A - Frog
B - Fish
C - Butterfly
D - ---

Korrekt svar : C - Butterfly


GEO 10. What is the main cause of earthquakes?

A - Movement of tectonic plates
B - Wind erosion
C - River flooding
D - ---

Korrekt svar : A - Movement of tectonic plates


CHEM 11. Which of the following is an example of a pure substance?

A - Air
B - Salt (sodium chloride)
C - Salad
D - ---

Korrekt svar : B - Salt (sodium chloride)


PHY 12. Which of the following is an example of a physical change?

A - Burning paper
B - Melting ice
C - Rusting iron
D - ---

Korrekt svar : B - Melting ice


SS 13. What is the main purpose of a constitution in a country?

A - To describe weather patterns
B - To set the basic laws and rules of t...read more B - To set the basic laws and rules of the country
C - To control businesses and trade only
D - ---

Korrekt svar : B - To set the basic laws and rules of the country


PE 14. Which of the following is the best example of a warm-up activity before exercise?

A - Sleeping for 30 minutes
B - Light jogging and stretching
C - Eating a heavy meal
D - ---

Korrekt svar : B - Light jogging and stretching


MA 15. A Sudoku row must contain the numbers 1 to 9 without repeating any number. If a row already has these numbers: 1, 2, 3, 4, 6, 7, 8, 9, which number is missing?

A - 5
B - 6
C - 8
D - ---

Korrekt svar : A - 5