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Science Review

Review for science assessment

QuestionAnswers
What type of energy does a candle produce? Light and Thermal
The boiling point of water is ____________. 100˚C
Solubility is ____________________. It's the ability of a substance to dissolve in water.
If the temperature of water is 33˚C, how many degrees until it reaches freezing point? 33˚C
An kitchen stove transforms _______________ to thermal energy. Electricity
True or False: Color, volume, taste and shape are all physical properties of matter. True ( Also, temperature, shape, melting point, boiling point, freezing point, solubility, density, etc)
What purpose does a filter serve to separate a mixture? It separates substances that don't dissolve like sand, pepper, and iron filings.
Why does oil float on water? Oil is less dense than water.
What is a hypothesis? A hypothesis is a prediction before experimenting.
What type of materials reflect light? Shiny, smooth, reflective, metallic materials.
What type of materials refract light? transparent materials, lenses, glass, prisms, water, etc.
What is an independent variable? An independent variable is the one thing that changes in an experiment.
A procedure is __________________. the step by step instructions on how to do an experiment.
What does a conductor of energy do? It allows the energy to pass through.
What are good conductors of heat? metals: foil, copper, steel sometimes glass
What are good conductors of electricity? metals: paper clips, nails, screws, nuts & bolts, coins, foil, etc.
True or False: All metals are magnetic. False
What metals are magnetic? Iron, Nickel, Cobalt, Steel (it has iron)
What does a prism do to light? It splits light into all the colors of the rainbow because it REFRACTS light. A prism is a transparent object that refracts light.
How can you separate salt from water once it is dissolved? Boil water or let it sit so that water can evaporate and leave the salt behind.
What is the ability to do work? Energy
What are good insulators of energy? Wood, plastic, cloth, wool, rubber
What is the continuous movement of water from ocean and rivers to the sky and back? The Water Cycle
Rain, Snow, Sleet, & Hail are all ____________________. Precipitation
When water is heated, it turns into water vapors. This process is called __________. Evaporation
Water droplets begin to cool and stick together to form clouds or fog. This also happens when water droplets stick to a window. This is called ___________________. Condensation
Dew is an example of ________________. Condensation
A fan turns on with the use of electricity. What type of energy is produced once the fan turns on? Mechanical energy
The condition of the air at any particular moment outside. Weather
A push or a pull is __________. Force
What is the freezing point of water? 0 ˚C
Created by: sonnyamosqueda