YNet StudyHub

1Which part of a plant absorbs water from the soil?

A Leaf B Stem C Root D Flower

2What is the main source of energy for most living things?

A Wind B Sunlight C Water D Soil

3When you push a toy car gently, it moves slowly. This demonstrates which concept?

A Gravity B Friction C Force D Magnetism

4Which material is a good conductor of electricity?

A Plastic B Wood C Copper D Rubber

5What is the process called when a liquid changes into a gas?

A Condensation B Freezing C Evaporation D Melting

6Which of the following helps protect soil from erosion?

A Clear-cutting trees B Planting cover crops C Using heavy machinery D Leaving land bare

7A farmer wants to increase the yield of maize. Which practice is most appropriate?

A Planting seeds too deep B Watering once a month C Rotating crops each season D Using only chemical fertilizers

8Which sense helps you detect a fire alarm sound?

A Sight B Touch C Smell D Hearing

9What do we call the waste material that can be turned into useful products?

A Pollution B Recyclable waste C Hazardous waste D Organic matter

10Which invention is an example of a simple machine that helps lift heavy objects?

A Wheel and axle B Computer C Telephone D Light bulb