Which of the following data would be MOST suitable to show in a line graph?
1. Objects and numbers
2. Time and distance
What is the speed and time on the trip
100
Anthony is testing several minerals in science class. First, he scratched the mineral with a copper penny and steel wool. What was was he testing for?
What is streak and hardness
100
Chuck could not answer the question and needed my help. What element is essential for life , and is found in large amounts in the ocean?
What is Oxygen
100
The length of a paper clip is measured in SI units called....
What is a cm
100
Sheldon obtained a water sample from a pond. He was observing a single -celled organism. What tool does Sheldon need?
What is microscope
200
Kalan is using a microscope to view prepared slides of cells . He was asked to place it back into the cabinet. What is important to remember when transporting the microscope?
What is use both hands when you carry the microscope
200
Zane was measuring a unknown substance. He found the measure 55mL and the density of 1.26g/mL. What was the mass?
What is 69.3
200
Chuck didn't know the difference between compounds and elements. Which is a compound ?
1.Carbon 2. A model of an atom of carbon
3. H2O
What is H2O
200
Which of these are true of elements.
A. made from a mixture
B. Are pure
C. Represented by a symbol
D. Make up the matter on Earth
What is Are pure, Represented by a symbol, make up the earth
200
Sheldon measuring the largest two gas in the earths atmosphere?
What is nitrogen and oxygen
300
Which of the following are not an elements?
1. helium
2. nitrogen
3. carbon dioxide
4. sodium
5. water
What is Water and Carbon dioxide
300
Amanda is examining an object in science class. It's brittle, solid and no shine. This is an example most likely of a -
What is non-metal
300
Chucks wanted to know if Billy Ray Cirus cut off his mullet if it would grow back? They told him yes, because this is a ______ change not a chemical change.
What is physical
300
What is the symbol for Chlorine
What is Cl
300
Glucose is C6 H12 O6. How many different elements are found in glucose?
What is 3
400
During lab you are testing an unknown element. You observe a student peering into the open lab closet during the testing. What should you do?
What is Raise your hand and tell the teacher
400
Corbin was working in lab and he needed to find the density of a cube. Each side of the cube measures 3cm and 12g. What is the density of the cube?
What is 0.4 g/cm
400
Chuck purchased and ice cream cone it melted. He started to cry. His mom said put if back in the freezer. This will work because physical changes are- ( word for take it back)
What is reversible
400
What would you need if the lab required heat-resistant gloves ?
1. working with test tubes
2.Pouring hot liquids
3. handling chemicals
4. plugging in an electrical cord
What is pouring hot liquids
400
Sheldon shook the jar with water, oil, alcohol and glycerin. This made liquid layers. He shook it and they all mixed but several minutes later they returned to their original layers. This is an example of ?
What is density
500
A student breaks a beaker and the school just purchased bins for aluminum cans, glass, and plastic. What should the teacher do with the glass?
What is place it into the recycle bin for glass
500
On a test you found these signs listed. What are they signs of most likely.
1.The object tarnished
2. Leaves change color
3. Electrical currents separating Hydrogen and Oxygen in water
What is a chemical change
500
Chuck was trying find out if he was smarter than a 6th grader. He was asked how many parts make up H2O?
What is two parts hydrogen and one part oxygen
500
Which of these situations require safety goggles?
1.calculating the rate of recycling glass
2.measuring the length of my pencil
3. determining the temperature of volume of a liquid
What is determining the temperature of volume of a liquid
500
Sheldon recorded the volume of 4.22cm3 and the density of 7.85g/cm3. What is the mass?