Question 1

A student designs an experiment to test the effect of forces on an object. The student compares pulling a block up a ramp with two different types of surfaces. What does the student conclude about the force required to pull the blocks up the ramps?

Accepted Answer

The ramp with the smooth surface required less force to pull the block up the ramp.

Answer

The ramp with the rough surface required less force to pull the block up the ramp.

Answer

The ramp with the rough surface required too much force to pull the block up the ramp.

Answer

The amount of force required to pull the blocks up is the same for both ramps.

Question 2

Ingredients in a soda solution include water, sugar, flavoring, and carbon dioxide gas. How do the physical properties of the sugar change when the solution’s ingredients are combined?

Accepted Answer

The sugar particles change in size as they mix evenly with the water and carbon dioxide.

Answer

The sugar particles maintain their physical state, size, and mass as they mix evenly with the water and carbon dioxide.

Answer

The sugar particles change in mass as they mix evenly with the water and carbon dioxide.

Answer

The sugar particles change to water particles as they mix evenly with the water and carbon dioxide.

Question 3

A circuit is shown. What is needed to complete the circuit?

Accepted Answer

A closed switch

Answer

A motorized fan

Answer

An open switch

Answer

A second battery

Question 4

A student is skateboarding. What form of energy is demonstrated?

Accepted Answer

Mechanical

Answer

Light

Answer

Sound

Answer

Electrical

Question 5

The table contains clues to identify an unknown substance. What is the unknown substance?

Accepted Answer

Metal because it is attracted to a magnet and conducts electricity

Answer

Wood because it is attracted to a magnet and conducts electricity

Answer

Plastic because it conducts electricity and thermal energy

Answer

Salt because it is soluble in water and is a liquid

Question 6

Alex is shown staring at himself in a lake. Alex noticed his image on the surface of the water because of —

Accepted Answer

reflected light

Answer

refracted light

Answer

absorbed light

Answer

opaque light

Question 7

Which statement describe how sedimentary rocks are formed?

Accepted Answer

Compacting and cementing million-year-old pieces of rock

Answer

Heating and cooling under extreme pressure

Answer

Hardening of lava left by active volcanoes

Answer

Decaying of plants and animals

Question 8

Sarah noticed an incorrect statement in her classmate's report on solids, liquids, and gases. Which statement is incorrect about the three states of matter?

Accepted Answer

Solids take the shape of their container while gases have a definite shape.

Answer

Liquids take the shape of their container while gases expand to take up space in their container.

Answer

Solids have a definite shape while liquids and gases do not have a definite shape.

Answer

Liquids take the shape of their container while solids have a definite shape.

Question 9

A fifth-grade science class gives presentations on landform formation. One group uses the picture shown to provide an explanation about delta formation. The group’s accurate explanation is that deltas are formed when —

Accepted Answer

rivers deposit sediments at the mouth of the river

Answer

plates of the Earth’s crust rise and collide

Answer

wind blows sand and deposits it into the mouth of a river

Answer

rivers break and carve terrain, which sculpt the land

Question 10

The image shows a student riding a bike at a nearby park.As the student rides her bicycle, she observes that she is able to move across the sidewalk easier than she is able to move across the grass. Which statement best supports the student’s observation?

Accepted Answer

Riding the bicycle on the grass is harder because it creates more friction than riding on the sidewalk.

Answer

Riding the bicycle on the grass and sidewalk are both too hard because both surfaces create a lot of friction.

Answer

Riding the bicycle on the sidewalk is harder because it creates more friction than riding on the grass.

Answer

Riding the bicycle on the grass and sidewalk are both very easy because friction is not created.

Question 11

A student plays the drums. Which statement correctly explains the energy produced when the student plays the drums?

Accepted Answer

Mechanical energy is used to produce sound energy.

Answer

Sound energy is used to produce light energy.

Answer

Mechanical energy is used to produce light energy.

Answer

Sound energy is used to produce mechanical energy.

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