Words
Definition of mass:
The amount of matter in an object?
FREEBIE! YOU WON 100 POINTS
YAY!!!!!!!
Jaycee uses a thermometer to collect different water temperatures. How can Jaycee order the temperatures from coldest to hottest?
A. 80o C
B. 100o C
C. 0o C
C, A, B
Compare two solutions.
Which substance do the two solutions have in common?
A. coffee
B. drink mix
C. ice
D. water
D. water
Manny poured 150 milliliters of water into a beaker. He found that the mass of the water was 150 grams. Then, Manny added 20 grams of soil to the water. He stirred until all of the soil was mixed into the water. What was the mass of the mixture?
A. 150 grams
B. 170 grams
C. 20 grams
B. 170 grams
Definition of state of matter:
The physical forms (such as solid, liquid, and gas) that matter can exist in.
Definition of temperature:
How hot or cold something is.
Daniel designs a toy boat. He chooses five different materials and sets up an investigation to compare their physical properties. Which physical property will the material for his boat need to have?
A. be able to float
B. be magnetic
C. be highly reflective
be able to float
During a classroom investigation, a student must mix two chemicals in a glass container to cause a reaction. Which safety precaution should the student take?
A. keep long hair pulled back
B. avoid touching any materials
C. mix the chemicals together quickly
A. keep long hair pulled back
Charles makes three mixtures of milk and peanut butter. He puts a lid on each container and freezes each mixture. Some of his measurements are listed.
Which of the following is NOT true?
A. The total mass is the sum of all the ingredients for each mixture.
B. Charles added the same amount of peanut butter to each container.
C. The mass of the peanut butter changed in each container mixture.
C. The mass of the peanut butter changed in each container mixture.
FREEBIE! YOU WON 300 POINTS
YAY!!!!!
Definition of magnetism:
The physical property of attracting certain metals.
Mass is measured in?
Temperature is measured in?
A. Celsius
B. Fahrenheit
C. grams
Mass: grams
Temperature: Celcius, Fahrenheit
Martina’s science class investigates mixtures and solutions. They place a tablespoon of salt in a beaker of water and it dissolves after being stirred for one minute.
Does the beaker contain a mixture or a solution?
Solution
Kayleigh mixes 40 grams of pebbles with 20 grams of sand. The total mass of the mixture is 60 grams. Which statement BEST explains why this is correct?
A. It shows that the mixture has an equal amount of sand and pebbles.
B. It shows that some sand is lost when making the sand and pebble mixture.
C. It shows that matter from the substances is conserved in the mixture.
C. It shows that matter from the substances is conserved in the mixture.
Definition of density:
The amount of matter in an object compared to the space it takes up.
Definition of law of conservation of matter:
A law that states that matter cannot be made or destroyed but can change into a new form.
Which physical property is being used to describe the matter in the following?
1. A banana weighs 120 g
2. Coffee is 100o Celsius
3. A cork floats while a rock sinks
Answer Choices:
A. mass
B. temperature
C. relative density
1. mass
2. temperature
3. relative density
Karis has two beakers containing different mixtures. Karis can pour each of the mixtures through a sieve into a clean beaker. If particles are left behind, she can conclude that it is a:
A. mixture and a solution
B. mixture but not a solution
B. mixture but not a solution
Harper does an investigation with oil and water. If Harper adds 13 g of water to a bottle with 17 g of oil, what is the mass of the mixture?
A. 13 grams
B. 17 grams
C. 30 grams
C. 30 grams
Definition of a solution:
A mixture that has the same composition throughout because all its parts are mixed evenly.
Definition of mixture:
A combination of two or more different substances in which the substances keep their identities.
Which physical property BEST classifies the following observations?
1. Six magnets weigh 10 grams
2. Paper clips move toward a magnet
3. Glitter floats and marbles fall to the bottom of a water bottle
A. mass
B. density
C. magnetism
D. physical state
1. mass
2. magnetism
3. density
Think about the experiment we did when we mixed the following with water: salt, sand, sugar, baking soda. What is the correct order of the 4 steps that were taken?
A. Record the results
B. Observe water for changes
C. Measure 150 mL of water into each graduated cylinder
D. Pour 1 tsp of each solid into each cylinder of water, stir
Step 1: C. Measure 10 milliliters of water into each of two graduated cylinders.
Step 2: D. Pour 10 milliliters of each mystery liquid into each cylinder of water, stir.
Step 3: B. Observe the water for changes.
Step 4: A. Record the results.
Zan, Coy, and Jay eat a mixture of cereal and milk for breakfast. They use a balance to find the mass of the cereal, milk, and mixture in grams (g). They record these observations.
How many grams of milk and cereal does Coy use?
A. 50 g
B. 75 g
C. 125 g
D. 150 g
B. 75 g and B. 75 g