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

Vecka : v42

MA 1. Which angle in a right-angled triangle always measures 90°?

A - Acute angle
B - Right angle
C - Obtuse angle
D - ---

Korrekt svar : B - Right angle


BI 2. What is the main role of the Krebs cycle in cellular respiration?

A - To produce energy-rich molecules tha...read more A - To produce energy-rich molecules that help the cell make ATP
B - To make proteins for the cell
C - To store genetic information
D - ---

Korrekt svar : A - To produce energy-rich molecules that help the cell make ATP


GEO 3. Which type of rock forms when melted rock cools and becomes solid?

A - Sedimentary rock
B - Igneous rock
C - Metamorphic rock
D - ---

Korrekt svar : B - Igneous rock


CHEM 4. What is an element?

A - A substance made of only one type of...read more A - A substance made of only one type of atom
B - A substance made by mixing different...read more B - A substance made by mixing different materials
C - A material that can always be separa...read more C - A material that can always be separated into simpler substances
D - ---

Korrekt svar : A - A substance made of only one type of atom


PHY 5. What is friction?

A - A force that opposes motion between ...read more A - A force that opposes motion between surfaces
B - A force that always makes objects mo...read more B - A force that always makes objects move faster
C - A force that pulls objects toward th...read more C - A force that pulls objects toward the Earth
D - ---

Korrekt svar : A - A force that opposes motion between surfaces


SS 6. What does the term “population” mean in geography?

A - The total number of people living in...read more A - The total number of people living in a particular area
B - The total amount of land in a countr...read more B - The total amount of land in a country
C - The number of cities in a country
D - ---

Korrekt svar : A - The total number of people living in a particular area


PE 7. Why is regular exercise important for children?

A - It helps keep their bodies strong an...read more A - It helps keep their bodies strong and healthy
B - It makes them need less sleep
C - It prevents them from learning new s...read more C - It prevents them from learning new skills
D - ---

Korrekt svar : A - It helps keep their bodies strong and healthy


MA 8. In a right-angled triangle, what is the longest side called?

A - Base
B - Height
C - Hypotenuse
D - ---

Korrekt svar : C - Hypotenuse


BI 9. Where does the Krebs cycle take place in a eukaryotic cell?

A - In the nucleus
B - In the mitochondria
C - In the cell membrane
D - ---

Korrekt svar : B - In the mitochondria


GEO 10. Which type of rock forms from layers of sediment that are pressed and cemented together?

A - Sedimentary rock
B - Igneous rock
C - Metamorphic rock
D - ---

Korrekt svar : A - Sedimentary rock


CHEM 11. Where are the elements arranged according to their properties?

A - The Rock Cycle
B - The Periodic Table
C - The Water Cycle
D - ---

Korrekt svar : B - The Periodic Table


PHY 12. Which situation is an example of friction being useful?

A - A bicycle slowing down when the brak...read more A - A bicycle slowing down when the brakes are applied
B - A ball rolling on a smooth floor for...read more B - A ball rolling on a smooth floor forever
C - A book floating in the air
D - ---

Korrekt svar : A - A bicycle slowing down when the brakes are applied


SS 13. Which factor can cause the population of an area to increase?

A - More people moving into the area
B - More people moving out of the area
C - A decrease in the birth rate
D - ---

Korrekt svar : A - More people moving into the area


PE 14. Which activity is a good example of exercise for children?

A - Sitting and watching television
B - Running and playing outdoors
C - Lying in bed all day
D - ---

Korrekt svar : B - Running and playing outdoors


MA 15. Which statement is true about a right-angled triangle?

A - It has one right angle and two acute...read more A - It has one right angle and two acute angles.
B - It has three right angles.
C - It has no right angles.
D - ---

Korrekt svar : A - It has one right angle and two acute angles.