The seats were made of memory F_______ to absorb shock during landing.
The seats were made of memory FOAM to absorb shock during landing.
Astronauts need a heat-resistant M________ for their space suits.
Astronauts need a heat-resistant MATERIAL for their space suits.
The chemist mixed the p______ with water to create a solution."
The chemist mixed the POWDER with water to create a solution.
The new life-support S______ keeps air and water levels stable.
The new life-support SYSTEM keeps air and water levels stable.
A digital T___________ is used to monitor temperature in the space capsule.
A digital THERMOMETER is used to monitor temperature in the space capsule.
V_____ is used in space suits to attach tools quickly and easily.
VELCRO is used in space suits to attach tools quickly and easily.
Each packet C_______ enough food for one day.
Each packet CONTAINS enough food for one day.
NASA continues to D_______ new technologies for space travel.
NASA continues to DEVELOP new technologies for space travel.
Scientists D__________ water on Mars in 2015.
Scientists DISCOVERED water on Mars in 2015.
A team at the lab is currently doing R_______ into the effects of zero gravity.
A team at the lab is currently DOING RESEARCH INTO the effects of zero gravity.
When you M___ these two liquids, they form a thick gel.
When you MIX these two liquids, they form a thick gel.
The parachutes were P________ using high-strength fabric.
The parachutes were PRODUCED using high-strength fabric.
Before launch, technicians R___ tests to check the fuel system.
Before launch, technicians RAN TESTS to check the fuel system.
The satellite W_____ less than 500 kilograms.
The satellite WEIGHS less than 500 kilograms.
Who was the first person to I_____ the lightbulb?
Who was the first person to INVENT the lightbulb?
Factories will P_______ thousands of units each year.
Factories will PRODUCE thousands of units each year.
