8grade Science 10 week Test
Terms
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- ______ is the study of matter.
- Chemistry
- What is mass?
- The amount of matter in an object.
- Measures volume
- Liter
- The distance between a particular point on one wave and the same point on the next wave.
- Wavelength
- _______ is anything that has mass an takes up space.
- Matter
- What does milli mean?
- 1/1000
- What is body temperature in Celsius?
- 37 degrees Celsius
- What does centi mean?
- 1/100
- What is the unit for measuring length?
- Meter
- What is the boiling point of water in Celsius?
- 100 degrees Celsius
- An experiment run along with the variable group.
- control
- A change in the frequency pf sound waves caused by a moving sound source.
- Doppler Effect
- Causes light rays to diverge.
- Concave
- Can be projected on a screen; upside down
- real image
- A random mixture of sound wave frequencies.
- Noise
- Sounds in the environment that can damage your health.
- Noise pollution
- What is potential energy?
- Energy of position
- Unit of measure for sound intensity.
- decibel
- The highness or lowness of a sound.
- Pitch
- No light passes through.
- Opaque
- Causes light rays to converge.
- convex
- The freezing point of water.
- 0 degrees Celsius
- The amount of space an object takes up.
-
Volume
how loud a sound is - What is room temperature in Celsius?
- 20 degrees Celsius
- Reflected sound waves
- echo
- The ability to do work or cause change.
- energy
- The bending of waves.
- Refraction.
- When a wave strikes a barrier and bounces off.
- Reflection
- Radioactive substances, have the most energy.
- Gamma rays
- The number of waves that pass a given point in 1 second.
- Frequency
- When one vibrating object causes another object ot vibrate at the same time.
- Resonance
- Measures mass
- gram
- Allows some light to pass through.
- Translucent
- Cannot be projected on a screen; right side up
- Virtual image
- What does the law of conservation of energy state?
- In a closed system, energy cannot be created or destroyed. It is just transferred.
- Allows all light to pass through.
- Transparent
- A scientific guess based on facts or observations
- Hypothesis
- Unit of frequency
- Hertz - Hz
- Back and forth movement of matter.
- Vibration
- What is kinetic energy?
- Energy of a moving object
- What does kilo mean?
- 1000