Quizzmas Quiz Revision (Y7)

In a food chain, what is a primary producer?

• An animal that feeds on another animal

• An organism that gets it energy from the sun

• A consumer at the top of the food chain

• An organism that decomposes dead matter

Answer explanation

A primary producer is an organism that gets its energy from the sun. It is the correct choice because primary producers, such as plants, use photosynthesis to convert sunlight into energy, forming the base of the food chain.

which of these is true?

• Hawk is an apex predator

• Grasshopper is the tertiary consumer

• Rabbit is the producer

• A snake is the quaternary consumer

Answer explanation

The correct answer is 'Hawk is an apex predator'. Hawks are at the top of the food chain and are considered apex predators.

In which state of matter do particles have the most energy and move freely?

• Solid

• Liquid

• Gas

• Plasma

What happens to the arrangement of particles when a solid turns into a liquid?

• The particles move further apart

• The particles vibrate in fixed positions

• The particles lose energy and stop moving

• The particles move closer together but remain free to move

Answer explanation

When a solid turns into a liquid, the particles move further apart, allowing them to flow and take the shape of their container.

What factors do animals compete for? select all that apply.

• Mates

• Food

• Water

• Space to grow

• Territory

Answer explanation

Animals compete for mates, food, water, and territory. These resources are essential for their survival and reproduction.

What is a secondary consumer in a food chain?

• An organism that breaks down dead organisms

• An organism that eats another consumer

• An organism that produces food

• An organism that eats the producer

Is this a particle diagram of a....

• Gas

• Liquid

• Solid

Answer explanation

This is a particle diagram of a solid. The particles are closely packed together and have a fixed shape and volume.

Is this a particle diagram of a......

• Gas

• Liquid

• Solid

Answer explanation

This is a particle diagram of a liquid. The particles are closely packed together and have a fixed volume and shape.

Is this a particle digram of a.....

• Gas

• Liquid

• Solid

Answer explanation

This is a particle diagram of a gas. Gas particles are spread out and move freely in all directions.

Fill in the blank of this statement: '__________ is the movement of particles from a region of high concentration to a region of low concentration'