Where on Earth is it completely dark when the Sun shines on the opposite side?
Location D
Which two states of matter can take the shape of a container?
Gas and liquid
What is the purpose of a bird's nest?
To protect their young
In what step of an experiment are observations recorded?
Results
What kind of energy does a fan convert electrical energy into?
Mechanical
What is the temperature at the location where water is precipitating in a solid form?
24°F
What kind of energy makes water boil and changes it from a liquid to a gas?
Heat
Which organism could start a food chain?
Grass
What is the first step a scientist should take after an experiment gives surprising results?
Repeat the experiment
What force pulls a roller coaster down from the top of the track?
Gravity
Which layer of the Earth contains all living organisms?
Biosphere
Which object will be attracted to a magnet?
metal
What is the function of a plant’s root system?
To absorb nutrients and water
When a mixture is formed, are new substances created?
No
What happens to a tree after it falls and disappears over time?
Decomposers break it down
What movement of Earth causes day and night?
Rotation
What force causes heat when a student rubs their hands together?
Friction
What two life processes occur in both animals and plants?
Growing and reproducing
What unit is used to measure the volume of a liquid?
Liter
What force makes water on the outside of a cold glass appear on a humid day?
Condensation
What is the closest star to Earth?
Cannot be determined
Which form of energy is produced when a doorbell is pushed?
sound
What body structure controls your thinking?
Brain
What does a scientist need when testing if seeds need water to germinate?
A cup of seeds that is watered and a cup that is not watered
What energy transformation occurs when wood is burned?
Heat