Max wanted to back up his important files. To do this, he decided to ______ his files to an external hard drive, just in case something happened to his computer.
discard
copy
delete
erase
Technology is always changing. When we get a new version of our phone or computer, we often __________ it to make it better and faster.
modify
downgrade
upgrade
replace
People use a phone, tablet, or computer every day. These are examples of a __________, which is something made to do a special job, like calling, typing, or taking pictures.
device
applications
console
component
Companies work hard to __________ their websites so they can handle more visitors and run faster.
optimize
disrupt
degrade
weaken
Some houses use a special technology to get electricity from sunlight. This technology uses panels that collect energy from the sun and turn it into power. What is this technology called?
Generator
Bioenergy
Satellite
Solar Power
Before using a new machine, you must learn how to __________ it correctly, so it works properly and safely.
maintain
operate
neglect
break
Ben wanted to print his science project for school. He opened his laptop and clicked the “Print” button, but the printer didn’t work. He realized he forgot to ______ the printer to his computer.
break
connect
check
replace
It is very important for doctors to __________ new ways to treat diseases, so they can help more people get better.
ignore
customize
discover
dismiss
After spending a long time working on his computer, Luke started to feel a headache. He remembered reading about ways to reduce the strain on his eyes. To help, he decided to ______ the brightness on his screen.
refresh
disable
increase
lower
Energy from the sun, water or wind is called __________ energy. People like using it because it doesn’t run out and doesn’t harm the environment.
Renewable
Solar
Thermal
Nonrenewable
Your phone, tablet, or laptop needs power to work. They have a small object inside that stores energy and allows the device to work without being plugged into electricity. What is this object?
Wire
Device
Battery
Antenna
In science class, the teacher asked students to mix two liquids together to see what happens. This type of activity is called an __________. It helps people learn how things work.
demonstration
experiment
observation
exploration
Tom’s phone battery was running low while he was watching a science documentary online. To continue watching without interruption, he decided to ______ his phone.
fix
use
charge
upgrade
When you use the internet, it is important to __________ your personal information, like your passwords, to keep it safe from hackers.
expose
reveal
leak
secure
It is important to be careful with chemicals because they can __________ your health if not handled properly.
harm
aid
heal
enhance
Before people can use a new app, software engineers work hard to __________ it. They spend months writing code and testing to make sure it works well.
mantain
support
neglect
develop
Every time you use your phone or computer, you create __________, which are stored in the system.
notes
waste
data
invention
When scientists collect data from an experiment, they must __________ it carefully to understand the results. This helps them learn and find answers to their questions.
analyze
gather
record
compare
If you want to build a strong bridge or a tall building, you will need an __________. This person knows how to design and make structures and machines that are safe and useful.
Manager
Scientist
Engineer
Designer
In the science lab, John was given a special tool to study the tiny cells in a sample of water. To see the smallest details, John needed to ______ the lens of the microscope.
raise
adjust
change
rotate
In big offices, computers are connected to each other so people can share files and send emails. This connection is called a __________, and it helps everyone work together.
Server
Wire/Cable
Communication
Network
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