A teacher mixes two liquids which arethe same temperature together in a glass. A thermometer in the glass shows a temperature increase of several degrees. This change in temperature indicates
What is a chemical change
100
Define Volume and what is the formula to find volume
What is the amount of space an object takes up
V=LxWxH
100
Identify the range of acids on the ph scale from strongest to weakest.
What is 1-6
100
chemical energy as related to
What is food, burning, batteries, and matches.
100
Name the 9 Planets in the correct order
What is in the center of our solar system?
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
The SUN!
200
Name an evidence that a chemical change has occurred
What is burning, bubbles, change in color, change in temperature, and evidence of rust or a new substance is created.
200
Define Mass and how does mass change when on the moon?
What is the amount of matter in an object
Mass stays the same on the moon
200
What is something that is neutral on the PH scale and about what number is it?
What is water and milk- 7
200
mechanical energy as related to
What is compressed springs, stretched rubber bands, a bow and arrow, and a hammer and nail.
200
Name the 2 things Plant cells have that Animal Cells do not have
What is a Cell Wall and Chloroplasts
300
Is ice melting a chemical or physical change? AND why...
what is a physical change because the substance stays the same.
300
Define Density and what is the formula for density?
What is the amount of mass per unit volume
d= m
v
300
What is the PH level of bases from weakest to strongest?
What is 8-14
300
Which form of energy is stored in a
flashlight battery?
What is CHEMICAL
300
What controls the cell?
What provides energy to the cell?
What stores the waste of the cell?
What is
Nucleus
Mitochondria
Vacules
400
A student places a solid effervescent
(seltzer) tablet into a liquid. The
student knows a chemical change has
occurred if
What is a gas is produced or bubbles occur
400
Now, if you see a jar of water and they want to see the change in water level after adding an object such as a rock what type of measurement are they trying to find density, mass, or volume?
What is Volume
400
Most of the time what is the color(s) of acids and bases on the Ph scale using a common indicator?
Acids? Bases?
What is Acids are usually red, pink, lighter colors
Bases are green, blue, and sometimes yellow
400
Pick one member of your group to Draw a concave and convex lens on the board and how does light travel through these lenses?
What is
Convex Lens- light comes together (Converge)
Concave Lens- Light spreads out (Diverge)
400
What body system involves the lungs
What body system involves the heart, veins, and arteries
What body system gets rid of waste
What is the respiratory system
What is the Circulatory system
What is the excretory system
500
The materials in a compost pile undergone a chemical change because the compost pile feels warm. Why is this statement true? What is a compost?
What is Because a change in temperature indicates a chemical change. A compost is a way to recycle food.
500
Students make four piles with an
equal mass of dirt, rocks, sugar, and
feathers. Which pile has the greatest
volume? and WHY?
The feathers because it will take a lot of feathers to equal the same amount of mass as rocks etc. When you have a lot of something it will have a greater volume. Because it will take up more space....
500
List 3 things that are acids and 3 things that are bases
Acids are lemon juice, stomach acid, soda, vinegar, fruit juices, anything sour
Bases are ammonia, baking soda, bleach, bar of soap, laundry detergent, anything soapy
500
Give me one example of Light energy, One example of Chemical energy, one example of mechanical energy, and one example of heat energy.
What is the sun, batteries, hammering a nail, a fire or refrigerator
500
What is the geosphere, hydrosphere, and atmosphere and what areas does a tornado effect?