Grade 7 Science MOE practice test

What tool would a scientist use to view a tiny organism

• computer

• test tube

• compound light microscope

• triple beam balance

Which factor changes during an investigation?

• constant

• dependent variable

• independent variable

• variable

Which is a quantitative observation

• 15 m long

• red color

• rough texture

• strong smell

Which type of elements represents almost 3/4 of the periodic table?

• gases

• metalloids

• metals

• nonmetals

Which does not have bias?

• accurate records

• equipment choice

• funding source

• hypothesis formation

What is the structure of electron

• an electron cloud

• a neutron

• a nucleus

• a proton

The graph below represents the motion of a swimmer. Which sentence nest describes the swimmers motion?

• The swimmer is at rest

• The swimmer is in constant motion

• the swimmers speed is changing

• the swimmer is accelerating

A the distance between two objects increases the gravitational force between the objects

• increases

• creates friction

• decreases

• stays the same

A plane is flying in a strong wind the airplane is exerting 85N to the East. The wind is exerting 100N to the west. What is the net force?

• 185 N, to the East

• 185N, the the west

• 15N to the east

• 15N to the west

A skateboarders is traveling at a constant speed 5N to the left a force of 5N acts on him to the right . Which sentence describes the motion of the skateboarder?

• his motion stops

• his speed increases

• his speed decreases

• his motion stays the same