Q.1.
Which one of these materials might be used to build a real bridge?
Q.2.
Why are stone, concrete or metal used to build bridges?
Q.3.
Tom’s Dad is building a rabbit hutch. What material does he use to build the hutch?
Q.4.
Katie and Ella are building model towers with card. Ella puts lots of folds into her card. Why does she do this?
Q.5.
Harry’s Dad is an engineer. He is helping to build a tall wall from concrete. He puts metal rods into the concrete. Why does he add metal rods to the concrete?
Q.6.
Jack’s shoes fasten with a Velcro strap. The Velcro has lots of tiny hooks. The Velcro makes a ripping noise when Jack pulls the strap open. Why is Velcro such a handy material for this job?
Q.7.
A spider’s web is very light but surprisingly strong. What helps to make it strong?
Q.8.
There are railings outside Sam’s school. The railings are made of iron. The janitor is painting the railings. Why is the janitor painting the railings?
Q.9.
Harriet is designing a blanket for a baby. Harriet decides to make the blanket from wool. Why does Harriet choose to use wool?
Q.10.
Sunil is designing a greenhouse. Plants will grow in the greenhouse. Sunil chooses to use glass for the windows of the greenhouse. Why does Sunil choose glass?