WorksheetsU2 Science Study guide
Total questions: 30
Worksheet time: 20mins
Which two body systems work together closely to produce movement in human limbs?
muscular and skeletal
digestive and muscular
circulatory and muscular
circulatory and respiratory
Body systems work together to supply cells with nutrients and oxygen and remove wastes.
Which list shows the path of oxygen entering the body?
air - respiratory system - digestive system - cells
air - respiratory system - circulatory system - cells
food - digestive system - circulatory system - cells
food - digestive system - respiratory system - cells
Which organ of the digestive system mashes food and mixes it with acid?
liver
stomach
small intestine
large intestine
Which object performs a function similar to that of the human body's skin?
camera lens
house frame
astronaut suit
telephone wire
Gravity is a force that pulls objects away from the Earth's surface.
True
False
A question that can be answered with an experiment.
testable question
observable question
hypothetical question
experimental question
This is a possible explanation that is clear and testable.
Hypothesis
Observation
Theory
Data
This means facts or information.
Data
Observations
Hypothesis
Control group
This is the group that is left alone and shows what would normally happen if no experiment was done at all.
Controlled Variables
Independent Variable
Dependent Variable
Control Group
Anthony designed an experiment to answer the following question: How does the temperature of water affect the time it takes for a sugar cube to dissolve?
What tool should Anthony use to measure how much time it takes for the sugar to dissolve?
ruler
stopwatch
triple beam balance
thermometer
What tool does Xavier need to measure how far the car goes each time?
ruler
beaker
graduated cylinder
stopwatch
Uses your 5 senses to gather information about the world.
Observation
Inference
Theory
Law
An explanation or interpretation of an observation
Observation
Inference
Prediction
Law
Group that has the factor (variable) being tested. This is the group that you are performing the experiment on.
Control Group
Experimental Group
Independent Variable
Dependent Variable
Scientists make ___________________ about the world around them.
observations
opinions
What do scientists use to build scientific knowledge? Select ALL correct answers.
evidence
data
inferences
opinions
Vertebrates do not have a backbone.
True
False
My body is warm and covered in feathers. I lay eggs which hatch into chickens. What am I?
Reptile
Amphibian
Mammal
Bird
