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Challenge for grade 1

Total questions: 51

Worksheet time: 34mins

Name
Class
Date
1.

What is this?

a)

A mammal

b)

A reptile

c)

An amphibian

d)

None of these, because it is a person.

2.
Water with high turbidity 
a)
is cloudy and hard to see through
b)
is clear
3.
A measure of the amount of dissolved salts in a given amount of liquid
a)
salinity
b)
bio-indicators
c)
wave
d)
tide
4.
Which of the following are indicators of healthy water systems?
a)
high nitrates, high pH, and low temperatures
b)
low temperatures, high dissolved oxygen, and neutral pH
5.
Under which condition are large numbers of fish in a lake likely to die?
a)
when the water's dissolved oxygen is low and temperature is high
b)
right after a storm with heavy rainfall
6.

Potable water is water that is ______________.

a)

polluted

b)

safe to drink

c)

biological

7.

The pH of healthy water is _______________.

a)

0-5

b)

6.5-8.5

c)

9-14

8.

Sewage is a source of which pollutant?

a)

nitrates

b)

phosphates

c)

algae

9.

Cleaning and industrial waste are sources of which pollutant?

a)

nitrates

b)

phosphates

c)

salinity

10.

High concentrations of salinity can cause vegetation to become unhealthy or die and can lead to a/an ___________ in biodiversity

a)

decrease

b)

increase

11.

_______________ water quality is indicated by a few number of bio-indicator organisms in one place

a)

Poor

b)

Good

12.

In 1972, the _______________ established the regulations on putting pollutants into the water

a)

Environmental Protection Agency (EPA)

b)

Clean Water Act

13.

The health of a water system is determined by the balance between what variables (choose all that apply)?

a)

physical

b)

physiological

c)

biological

d)

chemical

14.

Temperature, turbidity, and water movement are the _____________ factors used to determine water quality.

a)

physical

b)

chemical

c)

biological

15.

Dissolved oxygen, pH, nitrates, and salinity are _____________ factors used to determine water quality.

a)

physical

b)

chemical

c)

biological

16.

Fish, algae, insects, and plants are _________________ factors used to determine water quality.

a)

physical

b)

chemical

c)

biological

17.
In an experiment, the one variable that is changed by the scientist is called the ______.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
18.
In an experiment, the factor that we observe and/or measure is called the ____.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
19.
What type of data is shown here?
a)
qualitative
b)
quantitative
20.
What type of data is shown here?
a)
qualitative
b)
quantitative
21.
A testable, possible explanation for a scientific question is called a(n) _____.
a)
theory
b)
random guess
c)
law
d)
hypothesis
22.
Observations that are made when you use your senses to gather information.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
23.
Observations that are made with instruments such as rulers, balances, graduated cylinders, thermometers, timers, etc. and are measurable.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
24.
An organized way to collect and record scientific observations is with a(n) _____.
a)
data table
b)
inference
c)
model
d)
definition
25.
Raccoons tend to have striped tails and black eye masks is an example of ____ data.
a)
qualitative
b)
quantitative
26.
There were seven boxes of cookies in the cupboard.
a)
qualitative
b)
quantitative
27.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the independent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
28.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the dependent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
29.
A scientist studies how many days it takes people to get sick when eating different candies.  What is not a controlled variable?
a)
age of people
b)
candy type
c)
amount of candy
d)
time of eating
30.
In an experiment, the one variable that is changed by the scientist is called the ______.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
31.
In an experiment, the factor that we observe and/or measure is called the ____.
a)
independent variable
b)
dependent variable
c)
random variable
d)
controlled variable
32.
What type of data is shown here?
a)
qualitative
b)
quantitative
33.
What type of data is shown here?
a)
qualitative
b)
quantitative
34.
A testable, possible explanation for a scientific question is called a(n) _____.
a)
theory
b)
random guess
c)
law
d)
hypothesis
35.
Observations that are made when you use your senses to gather information.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
36.
Observations that are made with instruments such as rulers, balances, graduated cylinders, thermometers, timers, etc. and are measurable.
a)
manipulated
b)
quantitative
c)
qualitative
d)
operational
37.
An organized way to collect and record scientific observations is with a(n) _____.
a)
data table
b)
inference
c)
model
d)
definition
38.
Raccoons tend to have striped tails and black eye masks is an example of ____ data.
a)
qualitative
b)
quantitative
39.
There were seven boxes of cookies in the cupboard.
a)
qualitative
b)
quantitative
40.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the independent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
41.
A scientist studies how many days it takes people to get sick when eating different candies.  What is the dependent variable?
a)
eating
b)
days until sick
c)
the scientist
d)
candies
42.
A scientist studies how many days it takes people to get sick when eating different candies.  What is not a controlled variable?
a)
age of people
b)
candy type
c)
amount of candy
d)
time of eating
43.
How do plants get energy? 
a)
Photosynthesis 
b)
Eating other plants
c)
Respiration
d)
hydroponics 
44.
This part of the plant captures energy from the Sun.
a)
Stem
b)
Carbon Dioxide
c)
Chlorophyll
d)
Roots
45.
All living and non living things that interact in an area. 
a)
School
b)
Home
c)
Ecosystem
d)
environment 
46.
A scientist who works to restore water
a)
Conservationist
b)
chemist
c)
Ecologist
d)
Hydroponist
47.
Who makes their own food?
a)
Producer
b)
Consumer
c)
herbivore
d)
animal
48.
During photosynthesis plants make sugar and....
a)
Carbon Dioxide
b)
Dirt
c)
Oxygen
d)
light
49.

A shark eats a little Miguel.The shark is a what?

a)

producer

b)

consumer

c)

mean

d)

herbivore

50.

What breaks down dead organisms and their waste?

a)

Decomposers

b)

dirt

c)

wind

d)

Miguel

51.
Sunlight -> Red coco plant -> Spider Monkey -> What comes next in this food chain?
a)
fungi
b)
Jaguar
c)
Shark
d)
Spider

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