Day & Night
Energy Transformation
Circuits
Light
Spiral Review
100
Which direction does the sun appear to rise in?
East
100
Batteries use ____________ energy that is transformed into electrical energy.
chemical
100
circuit that consists of two or more paths of energy flow
parallel
100
What do you call objects that do not allow any light to pass through them?
opaque
100
What is the force that causes everything to be pulled down to the Earth?
Gravity
200
Which statement best explains why the sun appears to move across the sky during the day?
The Earth is rotating on its axis.
200
Electrical energy moves through______ and _______
circuits and wires
200
Electrical lights will not come on unless their electrical circuit is a --
closed circuit
200
What property of light allows us to see the trees on the water?
reflection
200
If an object sinks in water than it is ___________ than water.
more dense
300
Explain the effects that Earth’s rotation has on the planet
Causes day and night
300
What is the transformation of energy from B to C?
electrical to light
300
What material would be safest to use as an insulator to cover electrical wires?
rubber
300
What makes a pencil look broken when it is placed in a cup of water?
refraction
300
A type of mixture where a substance DISSOLVES in another is a
SOLUTION
400
Which of the following means to turn on an axis?
rotate
400
Materials that conduct a lot of thermal energy very quickly are
conductors
400
all of them
400
What is the term for when light waves bounce off an object?
Reflection
400
The variable that you measure in the investigation is the
dependent variable
500
the orbital motion of the Earth around the Sun
Revolution
500
People might use a lamp to help them see, but in many cases, the bulb gets quite warm. The two forms of energy being produced by the lamp are _____________________________.
light and thermal
500
To complete a circuit the switch must be
closed
500
Light can travel through objects. It can also do 3 different things. What are they?
Light can be reflected, refracted, and absorbed.
500
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, same amount of sunlight, and the same amount of liquid. In this investigation, the dependent variable is ...
Growth of the plant