Revision Quiz: Science Year 6

Which of the following is the correct pairing for the organs and their system?

• heart - circulation system

• stomach - breathing system

• lungs - control system

• kidneys - digestion system

Sun -> Baobab tree -> Giraffe -> Lion

We know that all food chains should begin with the producer. Why is the sun at the beginning of this food chain?

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OFF

Something that can make their own food is called a in the food chain.

Which of these is NOT a reversible change?

• Dissolving salt in water

• Melting butter in a hot pan

• Baking a cake

• Putting water into the freezer

Please explain what is an irreversible change?

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Your heart beats faster when you exercise.

• True

• False

How do the kidneys work?

• Send signals to all parts of the body

• Pumps blood around the body

• Contains air

• Filter blood from waste

Which of these statements is one that is in favour of deforestation?

• If we remove the forest, many kinds of plants and animals will disappear forever.

• I need wood to make tables and chairs.

• There may be new cures for diseases in these trees.

• The forest provides me with food. What will I eat if they take away the forest?

What is the name of the process of a producer making their own food?

Mixtures can be separated.

• True

• False