A container of milk is left in the freezer until frozen all the way through. How does the mass of a frozen container of milk compare to the mass of an IDENTICAL container of unfrozen milk?
Nothing happens the mass stays the same
100
Which one does not belong and why?
Chex mix,kool-aid,Trail mix, Salad
Kool-aid because it is a solution
100
When you look at yourself in the mirror you see your reflection. Explain why this happens.
The light rays are bouncing back at you
100
Which one is the healthier choice to eat? Why?
Snack A: Snack B:
150 Calories 50 Calories
4 grams of fat 3 grams of fat
20 grams of sugar 15 grams of sugar
Snack B
100
Name the force that carved our canyons
water
200
What do we use a spring scale for?
Measure the force an object has
200
Explain what happens to sugar when added to lemonade, tea, and kool-aid. Use vocabulary words
It dissolves in the solutions
200
If I am talking on my cell phone explain what energy is present.
Mechanical- talking, moving
Thermal- phones produce heat
Electrical- need a battery to work
Light- light is produced when on
Sound- buttons on phone make noises
Answers could vary
200
Explain how when a car is going the wrong direction on a road and it hits someone else's car how it can change direction. Use vocabulary words
The force of the impact can change the direction of the vehicle going the wrong direction.
200
Explain how sedimentary rock is formed. Use vocabulary words
Sediments get broken down by WWI, and deposited into a new location and settles there eventually building layers
300
Which of the following does not belong and tell me why?
Penny,Iron nail,Balloon, Aluminum foil
Balloon because it is an insulator not a conductor
300
Which of the following MAINTAINED it's physical properties when mixed together and how could you separate it?
lemon juice and water, Sand and water,Sugar and water, Salt and water
Sand and water. By using a funnel with filter paper placed on top of a beaker to collect the sand and the water goes through the beaker
300
Name the main components of an electrical circuit and explain how you would make the light bulb turn on.
Energy source such as a battery, wires to connect, a light bulb. Connect them all together to make the light work. You could also have a switch
300
Which of the following could you not see when performing the soil lab? Why?
Retention of water, Texture,Color,How plants grow in the soil
How plants grow in the soil because you cannot physically see that happening while doing the experiment. You can feel the soil, see the color, and test if it retains water
300
Explain how a V-shaped valley is formed differently than a U-shaped valley
V-shaped= river
U-shaped= glacier
400
I am doing an experiment and I add salt to boiling water. I take my thermometer and measure the temperature and it reads 101 degrees Celsius. Explain why this happened and if it is a solution or a mixture.
Adding salt to solution increases the boiling point of water
400
Which of the following does not belong and explain why?
Food coloring added to water, Oil added to water, Lemon juice added to water, Sugar added to water
Oil and water because they don't mix
400
Explain how switches make the lights turn off and on. Use vocabulary words!!
there is an insulator blocking the flow of electricity which makes the lights go on or off.
400
What are two rules you should follow when doing a science experiment.
answers will vary
400
There are triangular landforms that get built up at the opening of the mouths of rivers. Name the landform and explain how it is formed.
Deltas are formed when sediments are taken down and placed at the mouth of the river therefore building up new land
500
Explain how I could separate a mixture of sand and iron fillings.
using a magnet
500
Explain two differences between a mixture and a solution
Answers will vary
500
Explain why scientist and older people who cannot see need to use a magnifying glass. Use vocabulary words!!
Light rays are bending which makes things bigger for them to see
500
What force is being applied when a person slows down in a car or a bicycle?
Friction
500
Name 3 rapid changes and 3 slow changes that happen on Earth's surface.