A thermos keeps drinks cold in the same way. The vacuum does not allow heat to move into the bottle. The heat stays outside. Your drink stays cool.
What Can You Do? How can you use a thermos?
Photo Credit: VP Photo Studio/Shutterstock
In the Know
Can the Color of Your Clothes Affect How Hot You Get?
Dark colors absorb [take in] more sunlight. They absorb more … read more
In the Know
How to Show Respect for Your Classmates
The school year is beginning. It is important to respect … read more
In the Know
Sports Around the World
Pickleball is the fastest-growing sport in the United States. There … read more