How Scientists Work
Observations do not need to be repeated/ True or False
False
Technology changes over time...True or False
True
A year in time is called a
Revolution
A ______ is a large body that revolves around a star
Planet
All the living and nonliving things that affect an organism
Environment
Some tools used to measure time are
Clocks, stopwatch and timers
Another name for a working model
Prototype
24 hours of time is called a
Rotation
Outer planets are closest to the sun...True or False
False
All the same species living in and an ecosystem
Population
The unit used to measure force
Newton
Criteria
The imaginary line that runs from the South Pole to the North Pole
axis
Rock and iron objects that orbit the sun
Asteroids
Different populations that shar an ecosystem is called a
Community
A tool used to measure mass
Pan balance
In order to solve a problem you must ________ ideas
Brainstorm
What causes the seasons?
Earth's revolution and tilt of its axis
A chunk of frozen gas, rock or ice and dust
Comet
A place where an organism lives
Habitat
The amount of space a solid, liquid or gas take up
Volume
True
What keeps the moon in orbit around Earth?
Gravity
Pieces of rock that break off asteroids and travel through space
Meteors
Competition