Students were asked to bring these items from home to see which would sink or float. Which item will not sink?
1.Metal spoon
2. Steel nail
3. Glass marble
4. Plastic Spoon
Plastic Spoon
What is it called when water turns into ice?
Freezing
If a student throws a ball into the air, what pulls the ball toward earth?
Gravity
What is force?
A push or a pull
What is a solid?
A state of matter that has a definite shape and a definite volume. It keeps its shape and takes up the same amount of space.
What object has more mass, the feather or the apple?
1.Feather 1g
2. Apple 23g
The apple !
You leave a puddle of water on the sidewalk after it rains. A few hours later, the puddle is gone. What happened to the water?
It evaporated!
If a student puts a paperclip close to a magnet, what will happen?
The paper clip will move closer and attract to the magnet.
What is motion?
Movement
What is gas?
A state of matter that has no definite shape or definite volume. It spreads out to fill the space around it.
Your teacher wants you to separate a mixture of sand and iron filings. She gives you a metal bar to pull the metal. The iron filings were attracted to the metal.What property did the iron filings have?
1.Liquid
2. Magnetism
3. Heavy
4. Ability to float
Magnetism
On a cold morning, you notice tiny water droplets on the grass outside. Where did the water droplets come from, and how did they form?
Condensation!
What type of motion occurs when a child is swinging on a swing?
Back and forth
What is the definition of repel?
To push away from each other
What is mass?
The amount of matter in an object
Read the thermometer
82 Degrees F
You are outside on a summer day. You have a chocolate bar and it starts to drip after a few minutes. What causes the chocolate to drip?
The heat from the sun caused the chocolate to turn from a solid to a liquid.
When you kick a soccer ball, what type of force occurs?
Unbalanced force
What is the definition of gravity?
A force that pulls objects toward the center of the Earth.
What is condensation?
When a gas (water vapor) cools and changes into a liquid (water droplets).
Which part of the picture has a definite shape? Which part of the picture is gas?
Definite shape: Ice
Gas: Bubbles
If a rock is heated enough to change state of matter, what change would occur?
The rock would heat from a solid and turn into a liquid.
A balanced force occurs when_____ forces comes from ________ direction(s)
Part 1. Equal or Unequal
Part 2. The same or opposite
1. Equal
2. Opposite
What is magnetism?
A force that can pull certain metals toward a magnet or push magnets away from each other.
What is water vapor?
Water in the form of a gas that is in the air