Page 7 - 新思维科学学生用书4 样章
P. 7
Working like a scientist
Working like a scientist
Scientists ask questions about the world around them. They then try to find
answers to the questions. Scientists use different types of scientific enquiry
to help them find the answers. Young scientists, like you, can do the same
to find answers to scientific questions.
Research
We can speak to people, or use books
and the internet, to find information to
answer questions such as:
• How did vaccinations first start?
• What are earthquakes and why do
they happen?
Fair testing When I use a metal spoon,
the bead falls off quickly. If I use a
We carry out fair tests to find out plastic spoon, the bead does not
how changing one thing in an fall off the spoon.
investigation makes another thing change.
The things that we change, keep the same and
measure are called variables. We can use a fair test to
answer questions such as:
• Does the type of material affect how
well heat energy is transferred?
• Does changing the number of bead
cells in a circuit make a lamp
brighter or dimmer? teaspoon
hot water
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