Science

What happens after the Honey bee pollinates the flower?

• a) The honey bees carries the flower away

• b) The flower will fall off the plant

• c) The flower will form a seed

• d) A new plant grows from the flower

Tom is investigating how well different metals conduct heat. He attaches three rods made of different metals to a container. Wax melts when it gets hot. Tom fills the container with hot water. What should he do next?

• a) Add some wax to the hot water

• b) Remove the metal rods from the container

• c) Time how long the does the water takes to cool down

• d) Time how long the wax takes to fall off each rod

. Jana wants to know of the birds in her garden prefer to eat peanuts or sunflower seeds? She plans to leave the peanuts and sunflower seeds on a bird feeder in her garden. What steps should Jana take to find out if the birds prefer to eat peanuts or sunflower seeds?

• a) Add a different type of food to the bird feeder

• b) Repeat the investigation after one week

• c) Measure how much of each food is added to the bird feeder

• d) Add more of each type of food after it is eaten

Zara is 30. Which of these changes will happen to her body when she reaches old age?

• a) Her hair will go grey

• b) She will grow taller

• c) Her bones will get stronger

• d) Her teeth will get whiter

Which cannot be separated using a sieve?

• a) A pasta and water

• b) Meatballs and sauce

• c) Juice and fruit

• d) Oil and vinegar

Avish investigates which type of soil holds the most water. He fills containers with different types of soil. Avish pours the same volume of water into each container and measures how much drains out. Avish repeats the investigation. Which variables is it most important to keep the same?

• a) The volume of water added

• b) The volume of water drained

• c) The shape of the collection beaker

• d) The size of the collection beaker

Mashael plants tomato plants in two different types of soil. After one month, the plant in soil 1 has grown taller than the plant in soil 2. Mashael would know that the type of soil had caused the difference in plant growth if she had:

• a) Kept one plant up in a warmer place than the other plant

• b) Given the plants the same volume of water

• c) Checked both plants every day

• d) Put one plant in a cupboard and one plant on a window

Identify the non-flowering plants:

• Buttercup

• Cherry tree

• Wheat

• Bracken

Lana lights a candle. As it burns, the wick turns black and the candle wax melts. Lana blows the candle out. After sometime, the wax becomes solid again. The wick stays the same. This is because..

• Burning candle wick is not a reversible change

• Solids cannot change back into liquids

• It is not possible to make the wick cold enough again

• The wick needs to be dissolved in a liquid

The Earth rotates once around its axis each year. This explains why..

• The sun appears to move across the sky every day

• There is spring, summer, autumn and winter

• The moon can be seen at night

• The stars appear smaller in the sky than the Sun