How do people use energy?
Name two objects that use electricity.
Answers may vary
Name an instrument with a high pitch.
Answers vary.
What is our main source of light?
The sun
Would you need more force to move a baseball ball or a basketball?
You would need more force to move a basketball because it is heavier.
The ability to do work or cause change
Energy
How does heat move?
From warmer places to cooler ones
Name an instrument with a low pitch.
Answers vary
How does light move?
In a straight line.
True or False.
The speed of an object and how far an object moves does not depends on how much force is used.
False.
Both do depend on how much force is used.
To move quickly back and forth.
To bounce off
Vibrate
Reflect
Where do the following get energy from:
People
Cars
Earth
People- food
Cars- Fuel (gas)
Earth- Sun
Name two body parts that you use when you hear a sound.
Brain and Ears
Name three sources that light comes from.
Sun, Fire, and Electricity
You need more force to move ___________ objects than _______________ ones.
Heavier, Lighter
The act of moving.
A push or pull that makes something move.
Motion
Force
Name two types of energy that you can get from the environment.
Water Energy, Wind Energy, Solar Energy
An object that vibrates quickly makes a sound with a _________ pitch and a _________(volume).
High pitch and a loud volume.
What type of objects do light reflect off of?
Smooth, shiny objects
Name two kinds of motion.
Straight line, zigzag, in a circle
A kind of energy.
Buildup of electricity on an object.
Static Electricity
Name 3 types of energy.
Electricity, Static Electricity, Heat, Light, Sound, Water Energy, Wind Energy, Solar Energy, etc.
How are sounds made?
How do these sounds reach your ears?
Sounds are made when objects vibrate. Vibrations then travel by sound waves to your ears.
What do transparent, opaque, and translucent objects do when light hits them?
Transparent objects let light pass through them.
Opaque objects block the light.
Translucent objects let only some light pass through them.
Towards, Away, North, South, East, West
How high or low a sound is
How loud or soft a sound is
Pitch
Volume