WorksheetsUnit 1: Investigating Matter
Total questions: 39
Worksheet time: 3hrs 38mins
Julia is looking for examples of substances that will dissolve in water. She experiments with some things she finds in her kitchen at home. Which of these will NOT dissolve in water?
jell-o powder
black pepper
salt
sugar
Anna filled a cup with hot tea. Then she added a sugar cube. Which of these will help to make the sugar cube dissolve more quickly?
adding ice cube to the tea
adding more sugar cubes
pouring more tea into the cup
stirring the hot tea
Martha has a big box with a mixture of paper clips. Some are metal and some are plastic. Which is the best property for Martha to use to separate the metal paper clips from the plastic paper clips?
magnetic attraction
mass
particle size
shape
Cecil is going to investigate the effect water has on a steel nail. What type of change is he most likely investigating?
bending
burning
melting
rusting
Mr. Smith is going to show paper going through a chemical change. What can he do to the paper to cause the chemical change?
burn it
cut it
draw on it
tear it
Brody did only one trial of his experiment. What is the best reason why he should repeat his experiment?
to be sure he used the fewest steps possible
to check for accuracy
to get a better grade
to see whether another method gives the same results
Davis mixes salt and pepper in a beaker of water. Then he pours the mixture through filter paper. He sees that the filter paper separates out the pepper but not the salt.
Which of these scientific processes best describes what Davis is doing when he describes what he sees during the experiment?
design an experiment
make observations
repeat an experiment to check results
test a prediction
