Vocabulary
Which vocabulary word means to make better?
improve
What word can replace full of color?
colorful
What do sports engineers do once they identify a problem in a sport?
They come up with a model that solves it.
According to the section "A History of Running Shoes," which is the CORRECT order these were used?
barefoot, sandals, rubber sneakers, running shoes with spikes
Which vocabulary word is a person who plays a sport?
athlete
Which word can replace full of care?
careful
What does the diagram in the "More Bounce to the Ball" section of the article show?
It shows the steps in making a tennis ball.
How are long jumpers' shoes DIFFERENT from other runners' shoes?
They have spikes in the front only.
Which vocabulary word means a series of steps?
process
What is a word that can replace not going to harm?
harmless
What were tennis rackets FIRST made of?
wood
What change in the soles of running shoes was made in 1972?
Cushions were added.
Which vocabulary word means something can easily bend?
flexible
What word can replace full of danger?
dangerous
How does the author organize the ideas in the second paragraph of the section "More Bounce to the Ball"?
by describing the steps to make a tennis ball in order
What was the LAST thing added to football helmets?
a computer chip
Which vocabulary word means a piece of something?
fraction
What word can replace full of fame?
famous
Why was 1975 an important year for the Boston Marathon?
An athlete in a wheelchair completed the race for the first time.
What are special safety features in skiers' clothing used for?
to find the location of a skier