Butterflies begin life as caterpillars. A caterpillar eats leaves and grows quickly. Then it forms a hard case called a chrysalis, and inside it changes into a butterfly. What is the case called?
- AA shell
- BA chrysalis
- CA cocoon
- DA nest
Butterflies begin life as caterpillars. A caterpillar eats leaves and grows quickly. Then it forms a hard case called a chrysalis, and inside it changes into a butterfly. What is the case called?
Vitamin C is found in many fruits and vegetables, such as oranges, strawberries and peppers. The body uses it to help heal wounds. Which food is named as a source of vitamin C?
Our skin makes vitamin D when it is exposed to sunlight. Vitamin D helps the body take in calcium, which keeps bones strong. What does vitamin D help the body do?
A line graph shows the number of visitors to a park each month. The line rises steadily from January to July, then falls from August to December. Which statement best describes the data?
Octopuses can change the colour and texture of their skin in less than a second. They use this ability to hide from predators and to sneak up on prey. What are two reasons octopuses change colour?
Florence Nightingale collected data on deaths among soldiers in the Crimean War. She showed in clear diagrams that more soldiers died from disease than from battle wounds, and she used this evidence to persuade the government to improve hospital sanitation. What was Nightingale’s main goal in collecting the data?
“While most of the class cheered at the announcement of an extra week for the project, Jamal quietly closed his laptop. He had finished his project the night before after staying up until 2 a.m.” Why did Jamal most likely react differently?
“The town’s population grew from 8000 to 12 000 in ten years. During the same period, the number of schools stayed at two.” Which problem does the passage most likely point to?
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