light and sound
True or false - sound travels faster through water.
True!
What is the difference between magma and lava?
Magma is molten rock underground, and lava is molten rock above ground!
What is the scientific name of your knee cap
Your patella!
How do you calculate density?
Density = mass divided volume!
what does greenhouse gas do.
it warm,s up the earth
Travelling at supersonic speed (i.e. faster than the speed of sound) will create the following noise.
A supersonic boom!
What are tectonic plates?
Theyŕe giant slabs of earth floating on top of molten rock that make up the Earthś land masses.
How big is your heart?
About the size of your fist!
What is density?
The amount of atoms within a particular space.
what are Fossils fuels.
oil and coul
What makes a rainbow.
White Light .
What is the difference between streak and hardness?
Streak is the powdery line left behind when a mineral is scraped along a ceramic plate, and hardness is how resistant a mineral is to being scratched.
Which lung is smaller and why?
The left lung because it needs to make room for your heart!
How do you calculate mass?
Mass = density times volume!
True or false, energy can be destroyed.
False!
How fast is the speed of light?
300,000 km per second!
What is the softest mineral?
Talc!
How many times does your heart beat each day?
100,000 times!
True or false, absolute zero is possible.
False!
This form of energy occurs when objects are moving.
Kinetic!
What does SONAR stand for?
Sound Navigation and Ranging!
What is the hardness is a diamond?
10/10
What is the difference between white and red blood cells?
Red blood cells carry oxygen throughout the body and white blood cells create antibodies to fight diseases.
what is matter?
anything that has mass and takes up space!
Energy that is being contained is called _______.
Potential!