There is aluminum foil, a nail, and a copper penny. what do these objects have an common.
What is they are all metals.
100
What characteristic will BEST prevent a tree from being blown over by high winds during a storm?
What is deep roots
100
Which property of a mineral is most likely tested by scraping a rock against a nail filer?A:color,B:hardness,C:luster or D:streak
What is B:hardness
100
which type of energy causes the needle on a compass to move? A.heat B.light C.magnetic D. sound
What is C. magnetic
100
When the student connects the two nails using a wire, the bulb lights up.Which of the following must be underneath the board? A. A magnet and a switch B. A switch and some wires C. A magnet and a power source D. A power source and some wires
What is B. A switch and some wires
200
A seesaw on a playground is an example of what simple machine?
What is a lever
200
Female seals usually return to the same beaches year after year to give birth. If they are being disturb by humans what would they mostly do next?
What is they would probly give birth at different beaches.
200
what would mostly make a rock crack and crumble?A.drew evaporating on the rock B.leaves decaying on the rock C.snow melting in a crack in the rock D.water freezing in a crack in the rock
What is D.water freezing in a crack in the water
200
Fill in the blank:sound reaches our ears because sound makes air particles (blank) is it A.heat up B.cool down C. slow down D.vibrate
What is D.vibrate
200
Jordan put a piece of bread in the toaster. While the toaster was on, it changed the electrical energy from the outlet into other forms of energy. Which form of energy toasted the bread?
What is heat
300
Annie has an antique piano stool.what type of simple machine is it when she adjust the height?
What is a screw
300
which of the fallowing is NOT an inherited trait of humans?A.eye color B.hair color C. favorite food D.height
What is C. favorite food
300
A student robbed a sample mineral on a white tile. what physical properties of the mineral was the student most likely testing?
What is streak test
300
what causes sound?
What is vibrations
300
A piece of bread is stuck in the toaster. Which of the following explains why it is unsafe to use a metal fork to remove the piece of bread from the toaster? A.The fork will catch on fire B. The for will melt in the toaster C. The fork will conduct electricity D. The fork will damage the toaster
What is C. The fork will conduct electricity
400
Tom needs to buy some screws to use with a certain type of screw driver. what information would help him best? A. what material B.Top/head of screw C.pounds of the screws D.body of the screw
What is B.Top/head of the screw
400
If a rabbits fur is brown in summer and white in winter what is the cause of it?
What is it makes them less visible to predators
400
which type of rock is formed when hot lava cools?
What is igneous
400
which of the fallowing metals will be attracted to a magnet?
What is iron
400
Energy appears in many forms. What form of energy is lightning?
What is electrical energy
500
There are 2 wooden boards with two holes on each end. Morgan wants to tight them together. what will she use A.nail B.screw C.screw and washer D.screw and wingnut
What is D.screw and wingnut
500
Which is the best description of a plant. A. seed, growth,flower,fruit B.seed, fruit, growth, flower C. seed,growth,fruit, flower D.seed fruit,flower,growth
What is A.seed,growth,flower,fruit
500
which of the following is the slowest to change earth's surface? A: earthquake activity,B: Landslide,C: Volcanic eruption or D: weathering.
What is D: weathering
500
Which of the following objects will affect the direction that a compass needle points?
What is a magnet
500
Marta has a radio in her room. It requires electricity in order to play. Which of the following is necessary in order for electricity to move from the source to the radio?