Matter
What state of matter is steam?
a gas
What is energy from moving air called?
wind energy
What kind of force stretches or pulls something apart?
tension
What system in the body helps you breathe?
Respiratory
What tool is used to measure temperature
thermometer
What do we call a change that can be reversed, like freezing water?
a physical change
What type of energy is stored in batteries?
Chemical Energy
What is a shell structure?
a structure with a hard outer surface and empty inside, like an egg or helmet
What organ pumps blood throughout your body?
Heart
What does a hypothesis mean in science?
an educated guess or prediction
What is the difference between a mixture and a solution?
a mixture can be separated easily; a solution cannot
Give one example of using energy wisely.
turning off lights / using energy-efficient bulbs
What is the purpose of a gusset or brace in a structure?
to strengthen joints or corners
Name one part of the digestive system.
stomach / intestines / mouth / esophagus
What are the five senses and how used for in science?
Smell, Hear, Taste, Touch, See
Used to observe and interact
What do we call it when a solid turns directly into a gas?
sublimation
Why are fossil fuels a problem for the environment?
they cause pollution and climate change
What happens if a structure is not balanced?
collapse or fall over
How does exercise help your body?
strengthens muscles, heart, and improves overall health
What do we call a drawing or object that helps us understand something too big or too small to see?
Model or diagram
Name one safety rule when working with unknown substances.
wear goggles / don’t taste or touch / follow instructions
What are two examples of renewable energy?
What are the four types of internal forces in a structure?
tension, compression, shear, and torsion
What is the function of the nervous system?
send messages between the brain and the body
What unit(s) do we use to measure mass in science?
grams or kilograms