What are solids, liquids, and gases?
The action involves changing a liquid to a solid.
What is freezing?
What happens to the mass and the volume of an ice cube as it melts?
What is the mass stays the same and the volume decreases?
What do you call the melting of ice?
What is a physical change?
Why would adding food coloring to water create a solution?
What is because all the parts are evenly mixed and cannot be separated?
How can you dissolve a mixture of salt and water completely?
What is stirring increases the rate at which the salt dissolves?
If the number of elements in 2 atoms are the same, what conclusion could you draw?
What is they are both atoms of the element?
If the molecules in a solid are very close together, describe the molecules in a gas.
What is very far apart?
A closed jar contains 150 grams of ice in 300 grams of liquid water. After sitting for a while, half of the ice has melted. What happens to the mass of the ice and the mass of the liquid?
What is the mass of the ice decreases in half (75grams) and the mass of the water doubles (300 grams)?
A beaker of water is placed on a hot plate. If the hot plate is turned on what will happen in 5 minutes?
What is the water will change into a different state during a physical change?
If you were collecting cans for recycling, how would you separate the cans that were made of aluminum from the ones made of steel?
What is use a magnet?
If you want to dissolve salt crystals in water, what would be the best thing to do to help the crystals dissolve quickly?
What is crush the salt crystals?
A subatomic particle with no charge is a _______
What is a neutron?
Matter may be a gas, solid, or liquid. It can change from one state to another. What most often happens to change the state of matter?
What is temperature?
There is some water in a closed container. How do the properties of the water change if the container is placed in a freezer?
What is the mass stays the same and the volume increases?
How does cutting a pizza into eight slices affect its mass?
What is cutting the pizza does not change its mass?
If you had a mixture of 1 gram of salt and 2 grams of sugar dissolved in 100 grams of water how could you increase the parts to make a similar mixture?
What is start with each part and multiply by the same amount?
If you were making a solution of a powder and water in a can, what would dissolve the powder fastest?
What is shake the can?
Every atom has a center called the nucleus. The nucleus has a positive charge. Which particles are found in the nucleus?
What is neutrons and protons?
The temperature of water as a gas is ____degrees C.
100 degrees
If you freeze water and measure the mass then allow the water to melt and measure the mass, what will happen to the mass during the experiment?
What is the mass will not change?
What kind of change is crumpling a ball of aluminum foil?
What is a physical change?
How could you separate a mixture of various sizes of things?
What is start out with a large sieve and work the materials through and change to smaller sieves.
If you have a solution of raw sugar (large particles) and white sugar (smaller particles), which would dissolve first in water?
What is the white sugar? The particles are smaller.
A scientist is looking at two atoms. One has a nucleus with 5 protons and five neutrons surrounded by five electrons. The other has a nucleus with five protons and six neutrons surrounded by five electrons. What could you conclude about the two atoms?
What is the are the same element?
The measure of the energy of motion of the particles in matter is __________________.
What is temperature?
If a student puts 50 grams of ice and 75 grams of water in a freezer, what will the student have at the end of the experiment?
What is they will have 125 grams of ice?
What kind of change would making pancakes be?
What is a chemical change?
How could you separate a mixture of salt and water?
What is heat it up until the water is completely turned into water vapor and the salt is left in the bottom of the pot or put the container outside and the sun will evaporate the water leaving only the salt in the bottom of the container?
What is the scientific difference in a fruit cup and a smoothie?
What is the fruit cup is a mixture and the smoothie is a solution?
Negatively charged particles that speed through an area around the nucleus is called a _____________.
What is an electron?