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WorksheetsMixed Review
Total questions: 15
Worksheet time: 15mins
Alice conducted an experiment where she soaked six different kinds of seeds in water from a waterpark for 24 hours. Then she planted the seeds in soil at a depth of 1 cm. She used the same amount of water, light, and heat for each kind of seed.
Which step of the scientific method is this?
Stating the problem
Forming a hypothesis
Conducting an experiment
Drawing a conclusion
Kevin said, "If I grow five seedlings in red light, then the plants will grow faster than the five plants grown in white light."
Which step of the scientific method is this?
Stating the problem
Forming a hypothesis
Conducting an experiment
Drawing a conclusion
Which statement is true?
Oil is the most dense substance.
Corn syrup is less dense than water.
Oil is less dense than water.
Oil and corn syrup have the same density but different masses.
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
A combination of two or more different substances in which the substances keep their identities.
reaction
mixture
solution
atom
Which state of matter has a fixed shape and volume and it's molecules move very slowly?
Liquid
Gas
Solid
Plasma
Why do sand dunes constantly change their appearance?
Rain is the main reason sand dunes look different. It rains excessively in areas where sand dunes are present.
Glaciers are constantly eroding the surface of sand dunes.
Shifting temperatures cause sand dunes to freeze and thaw periodically.
Sand dunes are present in areas that have lots of wind. Wind weathers and erodes these massive landforms.
What landform is this?
canyon
valley
delta
mountain
The Appalachian Mountains used to be pointed like the Rockies. What process lead to the roundness of their peaks?
Weathering
Deposition
Lightning Strikes
Mining of the rock
Which of these is needed to create fossil fuels?
Lots of pressure
Heat from within the Earth
Millions of years
All of these
These ripples under water show that...
Waves erode sand
Boats weather rock
The sun deposits dunes under water
Fish lived on land
What is the primary gas found in Earth's atmosphere?
Oxygen
Nitrogen
Carbon Dioxide
Hydrogen
Which of the following is an example of a chemical change?
Melting ice
Boiling water
Burning wood
Breaking glass
What is the process by which plants make their own food using sunlight?
Respiration
Photosynthesis
Transpiration
Fermentation
Which of the following best describes the function of the mitochondria in a cell?
Protein synthesis
Energy production
Photosynthesis
Cell division
