Chapter 1. Science Skills. Branches of Science. The Big Ideas of Physical Science. 1. Space and Time- The universe is very old and big . It is about _________ years old and we can observe 700 million billion billion meters in diameter.
The motion of cars on a city street is captured in this time-exposure photograph. Forces govern changes in the motion of each car.
Panels on a solar car convert energy from the sun into the mechanical energy of its moving parts
4.Experiment (include variables)
5. Analyze Data and Draw Conclusions
- State if hypothesis is supported or not supported
300,000,000 = 3.0 x 108
0.00086 = 8.6 x 10-4
Scientists estimate that there are more than 200 billion stars in the Milky Way galaxy.
Nutrition labels often have some measurements listed in grams and milligrams
8848m ( 1km ) = 8.848 km
1 hr 1 km 3600sec
A more precise time can be read from the digital clock than can be read from the analog clock. The digital clock is precise to the nearest second, while the analog clock is precise to the nearest minute.
Direct proportion- Relationship in which the ________________________ ________________________.
_________proportion- Relationship in which the product of the _____________ ________________________.